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

A. been knowing

B. knew

C. know

D. known

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

A. you say

B. you're saying

C. you will say

D. you would say

Câu 3: She is tired because she ------------- all day.

A. is studied

B.  has been studying 

C. had been studying

D. studied

Câu 4: When she was 21 she -------------- across the United States.

A.  drove

B. drive

C. driven

D. was driving

Câu 5: They ------------ to the theatre twice so far this month.

A. are going

B. go

C. went

D. have been

Câu 6: How …………since we …………school?

A. are you/ left

B. have you been/ have left

C. were you/ left

D. have you been/ left