Moss moisture trial
The narrative includes an additional description of its subject. Ridge moss, a synthetic moss sample collected from exposed stonePunctuation boundary blank: _____ loses water quickly under moving air.
Practice
Fifty original SAT-style Boundaries questions for Topic 9-9.
The narrative includes an additional description of its subject. Ridge moss, a synthetic moss sample collected from exposed stonePunctuation boundary blank: _____ loses water quickly under moving air.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Ridge moss, a synthetic moss sample collected from exposed stone, loses water quickly under moving air.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Amal (the protagonist of an original winter talePunctuation boundary blank: _____ initially feels embarrassed by its oversized sleeves.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Cost-framed signs — cafeteria signs describing money lost to wastePunctuation boundary blank: _____ encourage diners to take only what they will eat.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Cost-framed signs — cafeteria signs describing money lost to waste — encourage diners to take only what they will eat.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Dark-coated seeds, synthetic seeds with charcoal-colored coatsPunctuation boundary blank: _____ absorb more radiant heat.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Dark-coated seeds, synthetic seeds with charcoal-colored coats, absorb more radiant heat.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Davin, a potter in an original fablePunctuation boundary blank: _____ presses tiny wave marks into each cup.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Davin, a potter in an original fable, presses tiny wave marks into each cup.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Online map comments (location-tagged responses in a synthetic transit consultationPunctuation boundary blank: _____ identify intersections that feel unsafe.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Continuous hedge — an unbroken planted corridor in a synthetic field testPunctuation boundary blank: _____ provides uninterrupted cover.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Continuous hedge — an unbroken planted corridor in a synthetic field test — provides uninterrupted cover.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Suri, a student candidate in an original campus storyPunctuation boundary blank: _____ listens privately before proposing changes.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Suri, a student candidate in an original campus story, listens privately before proposing changes.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Before-school service, breakfast offered before the first bellPunctuation boundary blank: _____ requires students to arrive early.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Before-school service, breakfast offered before the first bell, requires students to arrive early.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Ribbed tiles (prototype roof tiles with raised channelsPunctuation boundary blank: _____ create more surface exposed to passing air.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. The postcard — a message sent in an original epistolary storyPunctuation boundary blank: _____ contains only three short sentences.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “The postcard — a message sent in an original epistolary story — contains only three short sentences.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. The fountain plan, a proposal to restore a square's historic fountainPunctuation boundary blank: _____ preserves a recognizable civic landmark.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Color cue, a blue marker beside a sugar sourcePunctuation boundary blank: _____ is recognized quickly after short training.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Color cue, a blue marker beside a sugar source, is recognized quickly after short training.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Mei (an actor rehearsing an original playPunctuation boundary blank: _____ speaks more boldly while wearing the mask.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Blue floor markings — a route cue tested in a synthetic design studyPunctuation boundary blank: _____ create a continuous path through corridors.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Blue floor markings — a route cue tested in a synthetic design study — create a continuous path through corridors.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Woody barriers, small structures placed in a synthetic streamPunctuation boundary blank: _____ slow water and collect sediment.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Woody barriers, small structures placed in a synthetic stream, slow water and collect sediment.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Jun, a baker in an original neighborhood storyPunctuation boundary blank: _____ uses memory rather than exact measurements.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Jun, a baker in an original neighborhood story, uses memory rather than exact measurements.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. River-clay bowls (fictional vessels made in the Luma valleyPunctuation boundary blank: _____ show fine lines pressed with woven cord.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Wide flowers — synthetic flowers with broad pale petalsPunctuation boundary blank: _____ are visited by several insect groups.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Wide flowers — synthetic flowers with broad pale petals — are visited by several insect groups.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Asha, a singer practicing in an original scenePunctuation boundary blank: _____ sends melodies through an open window.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Asha, a singer practicing in an original scene, sends melodies through an open window.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Descriptive captions, museum captions naming visible featuresPunctuation boundary blank: _____ direct attention to details already present.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Descriptive captions, museum captions naming visible features, direct attention to details already present.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Cool storage (battery cells stored at a low stable temperaturePunctuation boundary blank: _____ preserves more initial capacity.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. The carved chair — a damaged chair in an original family storyPunctuation boundary blank: _____ retains scratches made during decades of use.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “The carved chair — a damaged chair in an original family story — retains scratches made during decades of use.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Field recordings, sounds collected along an invented river districtPunctuation boundary blank: _____ preserve small changes in local sound.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Automated microphones, recorders placed throughout a synthetic forest surveyPunctuation boundary blank: _____ collect sound for many hours.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Automated microphones, recorders placed throughout a synthetic forest survey, collect sound for many hours.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Harbor tax lists (invented records from a coastal town's marketPunctuation boundary blank: _____ record changing quantities of imported grain.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Version A — an original translation using formal dictionPunctuation boundary blank: _____ preserves the source poem's ceremonial tone.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Version A — an original translation using formal diction — preserves the source poem's ceremonial tone.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Line K, a synthetic seedling line selected for coastal soilPunctuation boundary blank: _____ maintains leaf color under moderate salt.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Block Alder, a residential block in a synthetic planning studyPunctuation boundary blank: _____ has mature trees along most sidewalks.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Block Alder, a residential block in a synthetic planning study, has mature trees along most sidewalks.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Large date text (the most prominent element in a concert posterPunctuation boundary blank: _____ lets viewers identify timing from a distance.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Healthy-reef sounds — recordings used in a synthetic marine experimentPunctuation boundary blank: _____ include clicks and fish calls.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Healthy-reef sounds — recordings used in a synthetic marine experiment — include clicks and fish calls.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Mobile library stops, temporary book-lending stations in a synthetic pilotPunctuation boundary blank: _____ bring books into neighborhoods.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Symbolic notation, written marks representing movement sequencesPunctuation boundary blank: _____ makes timing patterns easy to compare on a page.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Symbolic notation, written marks representing movement sequences, makes timing patterns easy to compare on a page.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Waxed leaves (synthetic leaves with a thick wax layerPunctuation boundary blank: _____ cause water to form round droplets.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Laleh's interview — a fictional oral history about a textile strikePunctuation boundary blank: _____ emphasizes workers' childcare network.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Laleh's interview — a fictional oral history about a textile strike — emphasizes workers' childcare network.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. The old depot shell, the retained exterior of a fictional rail depotPunctuation boundary blank: _____ keeps the building's long arched openings.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Mara, an apprentice lantern maker in an original storyPunctuation boundary blank: _____ tests translucent paper to soften the lantern light.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Mara, an apprentice lantern maker in an original story, tests translucent paper to soften the lantern light.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Raised crossings (a street-design feature tested near two schoolsPunctuation boundary blank: _____ slow drivers by changing the road environment.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Chronological layout — an exhibit ordered by datePunctuation boundary blank: _____ shows change across time.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Chronological layout — an exhibit ordered by date — shows change across time.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Nia, the narrator of an original reflective vignettePunctuation boundary blank: _____ records the garden's changing scents in a notebook.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Translated notices, multilingual versions of town announcementsPunctuation boundary blank: _____ offer written access in several languages.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Translated notices, multilingual versions of town announcements, offer written access in several languages.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Voice One (the first speaker in an original two-voice poemPunctuation boundary blank: _____ describes the city through mechanical sounds.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Tomas — a traveler waiting in an original short scenePunctuation boundary blank: _____ measures his wait by the clock's slow hand.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Tomas — a traveler waiting in an original short scene — measures his wait by the clock's slow hand.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Short object labels, fifty-word labels in a synthetic museum studyPunctuation boundary blank: _____ reduce the amount of text beside each object.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Planning sketches, drawings made before a fictional neighborhood muralPunctuation boundary blank: _____ show ideas omitted from the final composition.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Planning sketches, drawings made before a fictional neighborhood mural, show ideas omitted from the final composition.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Evelyn's map (a hand-drawn map in an original novelPunctuation boundary blank: _____ marks favorite trees and neighbors' kitchens.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the 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 closing parenthesis matches the opening parenthesis around the supplement.
The narrative includes an additional description of its subject. Fixed shifts — the original schedule at a synthetic repair cooperativePunctuation boundary blank: _____ make staffing levels predictable.
Supplement
Predicate
A second em dash matches the opening dash around the interrupting supplement.
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.
Incorrect. A comma would mismatch the opening dash.
A second em dash matches the opening dash around the interrupting supplement. The conventionally completed text reads: “Fixed shifts — the original schedule at a synthetic repair cooperative — make staffing levels predictable.”
subject—SUP—predicate
supplement → predicate
A second em dash matches the opening dash around the interrupting supplement.
The narrative includes an additional description of its subject. Plain-language synopsis, a concise plot guide for a fictional playPunctuation boundary blank: _____ helps readers follow major events.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
Correct. The comma matches the opening comma and closes the supplementary information.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. 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
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Leena, a young composer in an original storyPunctuation boundary blank: _____ leaves spaces in the score for improvisation.
Supplement
Predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
Correct. The comma matches the opening comma and closes the supplementary information.
Incorrect. A dash would mismatch the comma that opened the supplement.
Incorrect. A closing parenthesis cannot match an opening comma.
Incorrect. Omitting the closing comma leaves the interrupting supplement one-sided.
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate. The conventionally completed text reads: “Leena, a young composer in an original story, leaves spaces in the score for improvisation.”
subject, SUP, predicate
supplement → predicate
The second comma closes the supplementary phrase so the core subject can reconnect with its predicate.
The narrative includes an additional description of its subject. Ridge Park (a small park with sports courtsPunctuation boundary blank: _____ draws concentrated evening use.
Supplement
Predicate
A closing parenthesis matches the opening parenthesis around the supplement.
Incorrect. The opening parenthesis requires a closing parenthesis.
Correct. The closing parenthesis completes the matched parenthetical boundary.
Incorrect. A comma cannot close a supplement opened by a parenthesis.
Incorrect. A dash cannot close a supplement opened by a parenthesis.
A closing parenthesis matches the opening parenthesis around the supplement. The conventionally completed text reads: “Ridge Park (a small park with sports courts) draws concentrated evening use.”
subject (SUP) predicate
supplement → predicate
A closing parenthesis matches the opening parenthesis around the supplement.
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No mistakes this time. Excellent work.