Set 15: Boundaries
Explanation
PASSAGE
The museum's new wing _______ modern sculptures and interactive installations, opens to the public next month.
Which choice completes the text so that it conforms to the conventions of Standard English?
Detailed Answer Explanation
This question tests your understanding of sentence boundaries and punctuation. 'Which houses modern sculptures and interactive installations' is nonessential (extra info). Use comma before 'which.' To determine the correct answer, examine where complete thoughts begin and end. Look for independent clauses that need proper separation. A period, semicolon, or appropriate conjunction can correctly join or separate these ideas. When analyzing sentence boundaries, pay attention to how ideas flow from one sentence to the next. Correct punctuation ensures clarity and prevents confusion for readers. Review the options carefully to identify which choice creates proper sentence structure.
Key Evidence:
• "nonessential clause"
• "comma + which"
Why others are wrong: D ('That' is for essential clauses without commas.), A ('That' shouldn't have comma before it.), C (Missing comma before nonessential 'which' clause.).
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