Set 13: Boundaries (Intermediate)
Explanation
PASSAGE
The species _______ endangered due to habitat loss and climate change.
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. 'Species' is the same in singular and plural. Context suggests one species is discussed. Use singular 'is becoming.' 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:
• "species (context suggests singular)"
Why others are wrong: A ('Have become' is plural.), D ('Has become' is past—'becoming' better shows ongoing process.), C ('Are becoming' is plural; context suggests singular.).
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