Câu hỏi: 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 1: 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 2: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 3: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary

Câu 4: The Wagners ................ to Florida two years ago.

A. moved

B. had been moving

C. move

D. will move

Câu 5: We ....................... in the plane for hours when it finally, took off.

A. had been sitting

B. have sat

C. will be sitting

D. will sit

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

A. rain

B. rains

C. is raining

D. is rain