Câu hỏi: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

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

A. furthermore

B. therefore

C. accordingly

D. on the contrary

Câu 2: By next month, I ...................... at this company for a year.

A. will work

B. will be working

C. will have been working

D. am going to work

Câu 3: 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 4: 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 5: The old drainage pipelines must be maintained; ................, leakage will be unavoidable.

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 6: Some people are using motorbikes for transportation; ....................., others are taking publicvehicles to get to their destination.

A. hence

B. otherwise

C. therefore

D. besides