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

A. improves

B. improve    

C. is improving

Câu 1: I don’t know whether to accept the joboffer. It’s .................

A. a difficult decision

B. the difficult decision

C. difficult decision

Câu 2: The teacher ............... us how to do theexperiment when the fire bell rang.

A. showed 

B. shown

C. was showing

Câu 3: She..................some friends to her house for a party.

A. decided

B. agreed

C. invited

Câu 4: 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 5: She ................ well at school but thatchanged when she became friends witha different group of girls.

A. did

B. had done

C. had been doing

Câu 6: I..................want to be a practising doctor but now I’m more interested in research.

A. was used to

B. used tocorrect

C. would