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

A. is cleaning

B. was cleaning

C. had cleaned

D. will dean

Câu 1: Rita .................. class every day.

A. not to attend

B. doesn’t attend

C. not attending

D. isn’t attended

Câu 2: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 3: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 4: We .............. to the baseball game when it started to rain.

A. are driving

B. drives

C. driven

D. were driving

Câu 5: Paul and Linda .............. us to their party last weekend.

A. was inviting

B. invited

C. had been inviting

D. will invite

Câu 6: The new project received a lot of financial assistance from the WTO; ..............., it could easilybe approved by the authority.

A. thus

B. on the other hand

C. on the contrary

D. inaddition