In each of the following questions a sentence/ a part of the sentence is printed in bold. Four alternatives are given to the bold part which will improve the sentence. Choose the correct alternative. Corresponding to it. In case on improvement s needed , choose the alternative corresponding to ''No improvement''.
He likes to drive his car at a speed of eighty kilometres each hour.

Options

A. ever hour
B. an hour
C. hourly
D. No improvement

Answer

B

Explanation

To slow rate , a/an is used. Hence , an hour ... Should be used here.