Câu hỏi: I finished my essay yesterday but ………. it in to the tutor yet.

A. I’ve given 

B. I haven’t given 

C. I didn’t give

Câu 1: From this graph we can see that theeconomy.................. at the moment.

A. improves

B. improve    

C. is improving

Câu 2: Most university students.................. on campus in their first year.

A. lives

B. livecorrect

C. are living

Câu 3: ............. the experiment three timesnow with different results each time!

A. We’ve done

B. We did

C. We’ve been doing

Câu 4: The teacher..................... us how to do the experiment when the fire bell rang.

A. showed

B. shown

C. was showing

Câu 5: My sister.................... economics andpolitics when she goes to university.

A. is going to study 

B. studies 

C. will study

Câu 6: They.......................personal computers when my father was a student.

A. hadn’t

B. didn’t havecorrect

C. weren’t having