Câu hỏi: From this graph we can see that theeconomy.................. at the moment.

A. improves

B. improve    

C. is improving

Câu 1: ............. the experiment three timesnow with different results each time!

A. We’ve done

B. We did

C. We’ve been doing

Câu 2: They.......................personal computers when my father was a student.

A. hadn’t

B. didn’t havecorrect

C. weren’t having

Câu 3: Most university students.................. on campus in their first year.

A. lives

B. livecorrect

C. are living

Câu 4: …………. i the doctor at 2.00 this afternoon so I can’t go to the lecture.

A. I’m seeingcorrect

B. I see

C. I will see

Câu 5: When I arrived the lecture .............. so I didn’t find it easy to follow.

A. started

B. had started

C. had been starting

Câu 6: When they had to go, everybody ................. Nina and her mother for the party.

A. said

B. thanked

C. told