Câu hỏi: I don't want to go outside today because it ....................

A. rain

B. rains

C. is raining

D. is rain

Câu 1: The old drainage pipelines must be maintained; ................, leakage will be unavoidable.

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 2: We ....................... in the plane for hours when it finally, took off.

A. had been sitting

B. have sat

C. will be sitting

D. will sit

Câu 3: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries

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

A. are taking

B. taking

C. take

D. are taken