Question : Parts of the following sentence have been given as options. Select the option that contains an error.
He will return in a hour.
Option 1: return
Option 2: He will
Option 3: hour
Option 4: in a
Correct Answer: in a
Solution : The error lies in the fourth option.
The error in the original sentence lies in the use of "a" before "hour." The correct article to use in this case is "an" because "hour" begins with a vowel sound, and the indefinite article "an" is used before singular countable nouns that begin with a vowel sound.
Therefore, the correct sentence is, "He will return in an hour."
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