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

A. showed

B. shown

C. was showing

Câu 1: She..................some friends to her house for a party.

A. decided

B. agreed

C. invited

Câu 2: 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 3: …………. the doctor at 2.00 thisafternoon so I can’t go to the lecture.

A. I’m seeing

B. I see.

C. I will see

Câu 4: They.......................personal computers when my father was a student.

A. hadn’t

B. didn’t havecorrect

C. weren’t having

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

A. is going to study 

B. studies 

C. will study

Câu 6: While we’re working on the project ourboss ................ on a beach in Greece!

A. will sit 

B. will have sat

C. will be sitting