Câu hỏi: 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 1: We are too late. The plane …………… off ten minutes ago.

A. has taken

B. took

C. had taken

D. was taken

Câu 2: He ----------

A. will be here soon

B. will here be soon

C. will be soon here

D.  be soon will here

Câu 3: “How many pages…………… so far?"

A. have you studied

B. did you study

C. do you study

D. had you studied

Câu 4: How …………since we …………school?

A. are you/ left

B. have you been/ have left

C. were you/ left

D. have you been/ left

Câu 5: ------------- to the radio when you get up everyday?

A. Do you listen

B. Are you listening

C. Was you listening

D. Did you listen

Câu 6:  How long have you ------------- he was a liar.

A. been knowing

B. knew

C. know

D. known