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

A. writes

B. willl write

C. has written

D. was writing

Câu 2: They ------------ to the theatre twice so far this month.

A. are going

B. go

C. went

D. have been

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

A. is studied

B.  has been studying 

C. had been studying

D. studied

Câu 4:  After he ------------ his driving test he bought a car.

A. had passed

B. pass

C. passed

D. passing

Câu 5: We are too late. The plane …………… off ten minutes ago.

A. has taken

B. took

C. had taken

D. was taken

Câu 6: He ----------

A. will be here soon

B. will here be soon

C. will be soon here

D.  be soon will here