Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions

That’s the gas station,__________?

A. is that

B. isn’t it 

C. is it

D. isn’t that

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions

Graduate students often spend their weekends_______data for their research.

A. to gather

B. together

C. to gathering

D. gathering

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions

While reporters listen to a communication, __________ the points the speaker is making.

A. they evaluate

B. the evaluation 

C. he evaluates

D. evaluate