Fill in the blank in the following sentence:

The teacher has been teaching for ______ hour.

Practice MCQ for SSC, UPSC, RRB Exams

A. a A.
B. two B.
C. an C.
D. three D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

The article 'an' is used with the words having 1st letter as a vowel and having the sound of a vowel.
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