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

A. a difficult decision

B. the difficult decision

C. difficult decision

Câu 1: The teacher ............... us how to do theexperiment when the fire bell rang.

A. showed 

B. shown

C. was showing

Câu 2: My sister.................... economics andpolitics when she goes to university.

A. is going to study 

B. studies 

C. will study

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

A. showed

B. shown

C. was showing

Câu 4: 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 5: Her mother made a big chocolate........... with ‘Happy Birthday’ on the top. 

A. meal

B. cake

C. dish

Câu 6: When I arrived the lecture .............. so I didn’t find it easy to follow.

A. started

B. had started

C. had been starting