Question

what change should be made in sentence 24?

A. change “are usually operating” to “is usually operating”

B. delete the comma

C. change ‘they’ to ‘you’

D. make no change

Answer 1

I believe the correct answer to your question is D

Answer 2

Answer:

D.  Make no change

Explanation:

The sentence is already grammatically correct, there is nothing to change.