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

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 1: Louise was listening to the radio while she .................. the house.

A. is cleaning

B. was cleaning

C. had cleaned

D. will dean

Câu 2: The Wagners ................ to Florida two years ago.

A. moved

B. had been moving

C. move

D. will move

Câu 3: It ............... a lot last winter.

A. snows

B. has been snowing

C. snowed

D. snow

Câu 4: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 5: I ............... on the bus when I dropped my wallet.

A. am getting

B. get

C. have gotten

D. was getting

Câu 6: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary