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

A. cry

B. are crying

C. have been crying

D. cries

Câu 1: My parents    ........... in Florida since 1999.

A. has lived

B. have lived

C. are living

D. live

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

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 4: It ............... a lot last winter.

A. snows

B. has been snowing

C. snowed

D. snow

Câu 5: Annette spent a year long to search for scholarship; ................, she did not get positive result.

A. therefore

B. moreover

C. still

D. asa result

Câu 6: I don't want to go outside today because it ....................

A. rain

B. rains

C. is raining

D. is rain