Question

Every three hours ___________ the experiment, participants completed _______ easy 40-minute driving scenario.

In the given sentences, there are two blank spaces. Below each sentence four set of words have been given. Find out which set of words can be filled up in the blanks in the same sequence to make the sentence meaningfully complete.
A on, the
B in, a
C throughout, an
D for, in
Practice Next

Hey! Ask a query