Câu hỏi: 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 1: The telephone .............. ten times before Patsy finally answered it.

A. rings

B. ringing

C. had rung

D. is ringing

Câu 2: By the time this movie is over, we ................... this entire bag of popcorn.

A. will have eaten

B. are eating

C. are going to be eating

D. will be eaten

Câu 3: We .............. to the baseball game when it started to rain.

A. are driving

B. drives

C. driven

D. were driving

Câu 4: Barbara .................. that package to you tomorrow morning.

A. deliver

B. is going to deliver

C. are going to deliver

D. delivering

Câu 5: We .............. since 5:00.

A. talk

B. are talking

C. talking

D. have been talking

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