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

A. run

B. had run

C. have run

D. have been running

Câu 1: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 2: The Smiths are eating less and exercising more; ..............., they can keep their weight down and stay in shape.

A. Consequently

B. also

C. nevertheless

D. otherwise

Câu 3: 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 4: We always...................... a present to Elsa on her birthday.

A. are taking

B. taking

C. take

D. are taken

Câu 5: The old drainage pipelines must be maintained; ................, leakage will be unavoidable.

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 6: Rita .................. class every day.

A. not to attend

B. doesn’t attend

C. not attending

D. isn’t attended