Sentence Boundaries practice questions
Sentence Boundaries questions ask how two clauses can correctly be joined: with a period, a semicolon, a comma and a conjunction, or not at all. Check whether each side could stand alone as a sentence before choosing the punctuation.
Sentence Boundaries questions
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- 1Sentence boundariesFoundation
The kiln reached temperature overnight _____ the glaze had still not melted by morning. Which choice completes the sentence so that it conforms to Standard English conventions?
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Answer: but
Both halves are complete sentences with contrasting content, so a coordinating conjunction joins them. A comma alone would create a comma splice.
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The seed library lends packets to residents. _____ it also offers short classes on saving seeds. Which choice completes the text so that it conforms to Standard English conventions?
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Answer: Also,
"Also" introduces the second independent clause and is followed by a comma. The other choices create a comma splice or incorrect punctuation.
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The chef tested the sauce several times _____ the final version used less salt. Which choice completes the text so that it conforms to Standard English conventions?
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Answer: , and
The sentence contains two independent clauses. A comma followed by "and" joins them correctly: the chef tested the sauce, and the final version used less salt.
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The tide pools are easiest to reach at dawn _____ the water is lowest then and the rocks are least slippery. Which choice completes the sentence so that it conforms to Standard English conventions?
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Answer: ;
Both halves are complete sentences. A semicolon joins them correctly, while a comma alone would create a comma splice.
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The path floods every spring _____ the council has never closed it. Which choice completes the sentence so that it conforms to Standard English conventions?
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Answer: yet
Both halves are complete sentences standing in contrast, so a coordinating conjunction joins them. A comma alone would create a splice.
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The bridge was rebuilt in 1978 _____ the original stone piers were kept. Which choice completes the sentence so that it conforms to Standard English conventions?
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Answer: but
Both halves are complete sentences standing in mild contrast, so a coordinating conjunction joins them. A comma alone would be a splice.
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The mill closed in 1974 _____ its water wheel still turns for visitors. Which choice completes the sentence so that it conforms to Standard English conventions?
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Answer: yet
Both halves are complete sentences standing in contrast, so a coordinating conjunction joins them; a comma alone would create a splice.
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Which choice completes the text so that it conforms to the conventions of Standard English? The kiln reached temperature at four in the ______ potters had been feeding it since noon the day before.
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Answer: morning; the
Both halves stand alone as sentences, so joining them with a comma alone is a splice and running them together is a fused sentence. A semicolon joins two complete sentences without a conjunction. The last choice adds a conjunction and then separates it from its own clause.
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Which choice completes the text so that it conforms to the conventions of Standard English? The recipe calls for ______ pinch is enough for six servings.
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Answer: saffron; a
Each half is a complete sentence, so a comma alone splices them and no punctuation fuses them. A semicolon joins two complete sentences directly. The last choice adds a conjunction and then cuts it off from its own clause.
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Which choice completes the text so that it conforms to the conventions of Standard English? The kiln was fired for thirty hours ______
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Answer: ; the potters slept in shifts.
Both halves are complete sentences with no conjunction between them, which is exactly what a semicolon is for. No punctuation fuses them, a comma alone splices them, and the third choice ends on a conjunction with nothing after it.
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Which choice completes the text so that it conforms to the conventions of Standard English? The frost lifted at noon ______
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Answer: , but the ice on the path stayed until dusk.
Both halves are complete sentences, so joining them takes a comma plus a conjunction. A comma alone splices them, no punctuation fuses them, and the third choice ends on a conjunction with nothing following it.
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Which choice completes the text so that it conforms to the conventions of Standard English? The ferry runs only in summer ______
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Answer: ; for the rest of the year the crossing is by air.
Two complete sentences with no conjunction between them are joined by a semicolon. A comma alone splices them, no punctuation fuses them, and the participle version trails off on a conjunction with nothing after it.
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Which choice completes the text so that it conforms to the conventions of Standard English? The tunnel was surveyed in 1911 ______
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Answer: , but no plan of it survives.
Two complete sentences joined by a coordinating conjunction take a comma before it. A comma alone splices them, no punctuation fuses them, and the last choice ends on a conjunction with nothing after it.
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Which choice completes the text so that it conforms to the conventions of Standard English? The lock gates were replaced in 1972 ______
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Answer: ; the original elm gates are displayed in the museum.
Two complete sentences with no conjunction between them take a semicolon. A comma alone splices them, no punctuation fuses them, and the last choice ends on a conjunction with nothing after it.
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More English Conventions skills
- Punctuation16
- Subject-Verb Agreement15
- Modifiers14
- Verb Tense14
- Pronoun Clarity13
- Parallel Structure13
- Possessives13
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