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

A. started

B. had started

C. had been starting

Câu 1: My sister.................... economics andpolitics when she goes to university.

A. is going to study 

B. studies 

C. will study

Câu 2: They ................. personal computerswhen my father was a student.

A. hadn’t

B. didn’t have

C. weren’t having

Câu 3: The teacher..................... us how to do the experiment when the fire bell rang.

A. showed

B. shown

C. was showing

Câu 4: I..................want to be a practising doctor but now I’m more interested in research.

A. was used to

B. used tocorrect

C. would

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: Nina and her friends had a great time, singing and dancing and............. to their favourite music.

A. listening

B. hearing

C. looking