Set 15: Boundaries (Intermediate)
Explanation
PASSAGE
Ten dollars _______ not enough to cover the cost of the textbook.
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. When referring to a sum of money as a unit, use singular verb. 'Ten dollars' as a single amount takes 'is.' 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:
• "sum of money (single unit)"
Why others are wrong: D ('Were' is plural.), B ('Are' is plural; money as a sum takes singular.), A ('Have been' is plural.).
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