Câu hỏi: We are too late. The plane …………… off ten minutes ago.

A. has taken

B. took

C. had taken

D. was taken

Câu 1: “How many pages…………… so far?"

A. have you studied

B. did you study

C. do you study

D. had you studied

Câu 2: My sweetheart --------------- smoking next week.

A. will give up

B. is going to give up

C. gives up

D. gave up

Câu 3:  How long have you ------------- he was a liar.

A. been knowing

B. knew

C. know

D. known

Câu 4:  I’m sorry. I don’t understand what -----------------.

A. you say

B. you're saying

C. you will say

D. you would say

Câu 5: When I got to the office, I ----------- that I had forgot to lock the door.

A. realized

B. had realized

C. realize

D. have realized

Câu 6: -------------- study hard when you were at school?

A. Must you

B. Had you

C. Did you have to

D. Were you