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: Some people are using motorbikes for transportation; ....................., others are taking publicvehicles to get to their destination.

A. hence

B. otherwise

C. therefore

D. besides

Câu 3: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running

Câu 4: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary

Câu 5: Barbara .................. that package to you tomorrow morning.

A. deliver

B. is going to deliver

C. are going to deliver

D. delivering

Câu 6: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had