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

A.  drove

B. drive

C. driven

D. was driving

Câu 1: Has your teacher ever ------------ angry with you?

A. get

B. getting

C. got

D. gets

Câu 2: When the phone rang she ------------ a letter.

A. writes

B. willl write

C. has written

D. was writing

Câu 3: We are too late. The plane …………… off ten minutes ago.

A. has taken

B. took

C. had taken

D. was taken

Câu 4: 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 5: She is tired because she ------------- all day.

A. is studied

B.  has been studying 

C. had been studying

D. studied

Câu 6: -------------- study hard when you were at school?

A. Must you

B. Had you

C. Did you have to

D. Were you