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 long have you ------------- he was a liar.

A. been knowing

B. knew

C. know

D. known

Câu 2: “How many pages…………… so far?"

A. have you studied

B. did you study

C. do you study

D. had you studied

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 the phone rang she ------------ a letter.

A. writes

B. willl write

C. has written

D. was writing

Câu 5: My daughter ------------- university last June.

A. left

B. has left

C. leaves

D. was leaving

Câu 6: They ------------ to the theatre twice so far this month.

A. are going

B. go

C. went

D. have been