In the following questions, a sentence/ part of the sentence is printed in bold. Below are given alternatives to the bold sentence/part of the sentence which may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is No Improvement.
The sun will not rise before an hour.

Options

A. arise in an hour
B. rise in an hour
C. rises for an hour
D. No Improvement

Answer

B

Explanation

in (Prep.) : after a particular length of time , during a period of time.
Hence, rise in an hour is the right usage.
•It will be ready in a week.s time.
•I am getting forgetful in my old age