She spent _____ hour waiting for him.
Tripura Public Service Commission - 2019,
Answer: B
The answer is an: She spent an hour waiting for him.
In hour the h is silent, so the word begins with a vowel sound ('our'), and the indefinite article before a vowel sound is an. The same applies to honest and heir.
A is the trap for anyone going by the letter h. The would mean a particular hour already mentioned, and zero article is wrong before a singular countable noun.
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