Câu hỏi: I ............... on the bus when I dropped my wallet.

A. am getting

B. get

C. have gotten

D. was getting

Câu 1: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 2: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 3: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary

Câu 4: We ....................... in the plane for hours when it finally, took off.

A. had been sitting

B. have sat

C. will be sitting

D. will sit

Câu 5: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running

Câu 6: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had