In the following question, demonstrate the correct use of articles and prepositions:She returned after _ hour.

Correct answer: B. An

  • A. A
  • B. An
  • C. The
  • D. No article should be used here

Explanation

The indefinite article "an" is used before "hour" because it precedes a singular noun starting with a vowel sound ("hour"). It indicates that she returned after one hour had passed.

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