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

A. run

B. had run

C. have run

D. have been running

Câu 1: 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 2: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries

Câu 3: We .............. since 5:00.

A. talk

B. are talking

C. talking

D. have been talking

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 telephone .............. ten times before Patsy finally answered it.

A. rings

B. ringing

C. had rung

D. is ringing

Câu 6: We always...................... a present to Elsa on her birthday.

A. are taking

B. taking

C. take

D. are taken