Câu hỏi: Many ads do give important information about products; ....................., some of them are merelyhumorous or foolish.

A. furthermore

B. however

C. consequently

D. at the same time

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: Kevin can’t talk on the phone because he .............. dinner right now.

A. is eating

B. eats

C. has eaten

D. has been eating

Câu 3: It ............... a lot last winter.

A. snows

B. has been snowing

C. snowed

D. snow

Câu 4: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries

Câu 5: The Wagners ................ to Florida two years ago.

A. moved

B. had been moving

C. move

D. will move

Câu 6: The telephone .............. ten times before Patsy finally answered it.

A. rings

B. ringing

C. had rung

D. is ringing