Park-use counts
The description briefly interrupts its central statement. Ridge Park — a small park with sports courtsPunctuation boundary blank: _____ draws concentrated evening use.
Practice
Fifty original SAT-style Boundaries questions for Topic 9-12.
The description briefly interrupts its central statement. Ridge Park — a small park with sports courtsPunctuation boundary blank: _____ draws concentrated evening use.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Ridge Park — a small park with sports courts — draws concentrated evening use.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ hollow moss retains a larger share of its starting water.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — hollow moss retains a larger share of its starting water.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Amal — the protagonist of an original winter talePunctuation boundary blank: _____ initially feels embarrassed by its oversized sleeves.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Amal — the protagonist of an original winter tale — initially feels embarrassed by its oversized sleeves.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ waste declines under both signs, slightly more under community framing.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — waste declines under both signs, slightly more under community framing.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Dark-coated seeds — synthetic seeds with charcoal-colored coatsPunctuation boundary blank: _____ absorb more radiant heat.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Dark-coated seeds — synthetic seeds with charcoal-colored coats — absorb more radiant heat.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the same marks represent craft to Davin and memory to Reya.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the same marks represent craft to Davin and memory to Reya.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Online map comments — location-tagged responses in a synthetic transit consultationPunctuation boundary blank: _____ identify intersections that feel unsafe.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Online map comments — location-tagged responses in a synthetic transit consultation — identify intersections that feel unsafe.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the continuous hedge yields more endpoint detections.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the continuous hedge yields more endpoint detections.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Suri — a student candidate in an original campus storyPunctuation boundary blank: _____ listens privately before proposing changes.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Suri — a student candidate in an original campus story — listens privately before proposing changes.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ participation increases after the timing change.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — participation increases after the timing change.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Ribbed tiles — prototype roof tiles with raised channelsPunctuation boundary blank: _____ create more surface exposed to passing air.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Ribbed tiles — prototype roof tiles with raised channels — create more surface exposed to passing air.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the limited description prompts the recipient to imagine the rest.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the limited description prompts the recipient to imagine the rest.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. The fountain plan — a proposal to restore a square's historic fountainPunctuation boundary blank: _____ preserves a recognizable civic landmark.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “The fountain plan — a proposal to restore a square's historic fountain — preserves a recognizable civic landmark.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ cue effectiveness depends on when memory is tested.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — cue effectiveness depends on when memory is tested.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Mei — an actor rehearsing an original playPunctuation boundary blank: _____ speaks more boldly while wearing the mask.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Mei — an actor rehearsing an original play — speaks more boldly while wearing the mask.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ visitors navigate fastest when continuous and numbered cues are combined.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — visitors navigate fastest when continuous and numbered cues are combined.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Woody barriers — small structures placed in a synthetic streamPunctuation boundary blank: _____ slow water and collect sediment.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Woody barriers — small structures placed in a synthetic stream — slow water and collect sediment.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the erased debt matters more to Jun than the recovered payment.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the erased debt matters more to Jun than the recovered payment.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. River-clay bowls — fictional vessels made in the Luma valleyPunctuation boundary blank: _____ show fine lines pressed with woven cord.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “River-clay bowls — fictional vessels made in the Luma valley — show fine lines pressed with woven cord.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ flower shape changes visitation pattern more than total nectar use.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — flower shape changes visitation pattern more than total nectar use.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Asha — a singer practicing in an original scenePunctuation boundary blank: _____ sends melodies through an open window.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Asha — a singer practicing in an original scene — sends melodies through an open window.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ both captions increase discussion, but of different kinds.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — both captions increase discussion, but of different kinds.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Cool storage — battery cells stored at a low stable temperaturePunctuation boundary blank: _____ preserves more initial capacity.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Cool storage — battery cells stored at a low stable temperature — preserves more initial capacity.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the restoration makes the chair usable without erasing its history.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the restoration makes the chair usable without erasing its history.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Field recordings — sounds collected along an invented river districtPunctuation boundary blank: _____ preserve small changes in local sound.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Field recordings — sounds collected along an invented river district — preserve small changes in local sound.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ combining methods produces the longest species list.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — combining methods produces the longest species list.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Harbor tax lists — invented records from a coastal town's marketPunctuation boundary blank: _____ record changing quantities of imported grain.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Harbor tax lists — invented records from a coastal town's market — record changing quantities of imported grain.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ readers perceive the speaker differently although the core image remains.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — readers perceive the speaker differently although the core image remains.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Line K — a synthetic seedling line selected for coastal soilPunctuation boundary blank: _____ maintains leaf color under moderate salt.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Line K — a synthetic seedling line selected for coastal soil — maintains leaf color under moderate salt.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ Block Alder remains cooler, though both blocks reduce direct sun.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — Block Alder remains cooler, though both blocks reduce direct sun.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Large date text — the most prominent element in a concert posterPunctuation boundary blank: _____ lets viewers identify timing from a distance.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Large date text — the most prominent element in a concert poster — lets viewers identify timing from a distance.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ more fish arrive near healthy-reef playback.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — more fish arrive near healthy-reef playback.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Mobile library stops — temporary book-lending stations in a synthetic pilotPunctuation boundary blank: _____ bring books into neighborhoods.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Mobile library stops — temporary book-lending stations in a synthetic pilot — bring books into neighborhoods.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ using both records reduces errors in reconstructing the sequence.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — using both records reduces errors in reconstructing the sequence.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Waxed leaves — synthetic leaves with a thick wax layerPunctuation boundary blank: _____ cause water to form round droplets.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Waxed leaves — synthetic leaves with a thick wax layer — cause water to form round droplets.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the interviews broaden the strike history beyond speeches by leaders.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the interviews broaden the strike history beyond speeches by leaders.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. The old depot shell — the retained exterior of a fictional rail depotPunctuation boundary blank: _____ keeps the building's long arched openings.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “The old depot shell — the retained exterior of a fictional rail depot — keeps the building's long arched openings.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the two designs produce different shadows but attract the same delighted crowd.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the two designs produce different shadows but attract the same delighted crowd.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Raised crossings — a street-design feature tested near two schoolsPunctuation boundary blank: _____ slow drivers by changing the road environment.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Raised crossings — a street-design feature tested near two schools — slow drivers by changing the road environment.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the hybrid layout supports both historical sequence and comparison.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the hybrid layout supports both historical sequence and comparison.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Nia — the narrator of an original reflective vignettePunctuation boundary blank: _____ records the garden's changing scents in a notebook.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Nia — the narrator of an original reflective vignette — records the garden's changing scents in a notebook.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ residents report fewer missed instructions when formats are combined.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — residents report fewer missed instructions when formats are combined.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Voice One — the first speaker in an original two-voice poemPunctuation boundary blank: _____ describes the city through mechanical sounds.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Voice One — the first speaker in an original two-voice poem — describes the city through mechanical sounds.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the late clock makes the wait feel longer than it is.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the late clock makes the wait feel longer than it is.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Short object labels — fifty-word labels in a synthetic museum studyPunctuation boundary blank: _____ reduce the amount of text beside each object.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Short object labels — fifty-word labels in a synthetic museum study — reduce the amount of text beside each object.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ the combined archive distinguishes design changes from later damage.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — the combined archive distinguishes design changes from later damage.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Evelyn's map — a hand-drawn map in an original novelPunctuation boundary blank: _____ marks favorite trees and neighbors' kitchens.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Evelyn's map — a hand-drawn map in an original novel — marks favorite trees and neighbors' kitchens.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ late arrivals decline during the trial.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — late arrivals decline during the trial.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
The description briefly interrupts its central statement. Plain-language synopsis — a concise plot guide for a fictional playPunctuation boundary blank: _____ helps readers follow major events.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
Incorrect. A comma would mismatch the opening dash.
Incorrect. A parenthesis would mismatch the opening dash.
Incorrect. The opening dash requires a matching closing boundary before the core continues.
Correct. The em dash correctly closes the supplement opened by an em dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Plain-language synopsis — a concise plot guide for a fictional play — helps readers follow major events.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The description briefly interrupts its central statement. The account records one final outcomePunctuation boundary blank: _____ listeners notice the final note more strongly after the silence.
Independent Clause (independent)
Independent Clause (independent)
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Correct. The single dash introduces the emphatic explanatory clause.
Incorrect. A comma alone would splice the two independent clauses.
Incorrect. A closing parenthesis has no matching opening parenthesis.
Incorrect. No boundary would fuse the two independent clauses.
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome. The conventionally completed text reads: “The account records one final outcome — listeners notice the final note more strongly after the silence.”
IC—emphatic explanatory clause
independent clause → independent clause
Among the offered choices, a single em dash introduces the emphatic clause that explains the promised outcome.
Keyboard: use Tab to move, arrow keys to change answer choices, and Enter to check an answer.
Use the results to decide what to review before your next attempt.
No mistakes this time. Excellent work.