HESI A2 Grammar Practice Test Related

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Which word is used incorrectly in the following sentence? Jack practices piano while Sidney studies for the exam.

  • A. practices
  • B. while
  • C. study
  • D. exam
Correct Answer: C

Rationale: The word 'study' is used incorrectly in the sentence. The correct verb form should be 'studies' to match the subject 'Sidney,' which is singular. The sentence should read, 'Jack practices piano while Sidney studies for the exam.' The other choices ('practices,' 'while,' and 'exam') are used appropriately in the sentence.