Câu hỏi: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had

Câu 1: 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 2: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary

Câu 3: Rita .................. class every day.

A. not to attend

B. doesn’t attend

C. not attending

D. isn’t attended

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

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 6: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries