Câu hỏi: 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 1: 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 2: She................ well at school but that changed when she became friends with a different group of girls.

A. did

B. had done

C. had been doing

Câu 3: …………. 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 4: The teacher ............... us how to do theexperiment when the fire bell rang.

A. showed 

B. shown

C. was showing

Câu 5: They ................. personal computerswhen my father was a student.

A. hadn’t

B. didn’t have

C. weren’t having

Câu 6: She..................some friends to her house for a party.

A. decided

B. agreed

C. invited