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

A. Must you

B. Had you

C. Did you have to

D. Were you

Câu 2: She is tired because she ------------- all day.

A. is studied

B.  has been studying 

C. had been studying

D. studied

Câu 3: 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 4: He hates his boss so he ------------- his job.

A. leaves

B. has left

C. is leaving

D. left

Câu 5: There is no red wine? I -------------- white, then.

A. am going to have

B. have

C. will have

D. am having

Câu 6: While the waiter was picking up the broken plates, he ---------- his finger.

A. cut

B. was cutting

C. had cut

D. cuts