Select the word or phrase in the sentence that is not used correctly. During the blackout, one of the patients were frightened and screamed loudly.
Correct Answer: C
Rationale: Correct Answer: C: "were"
Rationale:
1. Subject-Verb Agreement: "One" is singular, so the correct verb should be "was," not "were."
2. Correct Sentence: "During the blackout, one of the patients was frightened and screamed loudly."
3. Incorrect Choices:
A. "Loudly" is an adverb modifying the verb "screamed," used correctly.
B. "During" is a preposition indicating the time frame, used correctly.
D. "One" is the subject of the sentence, used correctly.
Summary:
The error in the sentence lies in the subject-verb agreement with "one," requiring the singular verb "was" instead of the plural verb "were." The other choices are used correctly in the sentence.
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