Câu hỏi: Rita .................. class every day.

A. not to attend

B. doesn’t attend

C. not attending

D. isn’t attended

Câu 1: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had

Câu 2: The telephone .............. ten times before Patsy finally answered it.

A. rings

B. ringing

C. had rung

D. is ringing

Câu 3: The Wagners ................ to Florida two years ago.

A. moved

B. had been moving

C. move

D. will move

Câu 4: The old drainage pipelines must be maintained; ................, leakage will be unavoidable.

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 5: 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

Câu 6: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving