Câu hỏi: I finished my essay yesterday but ………. it in to the tutor yet.

A. I’ve given

B. I haven’t givencorrect

C. I didn’t give

Câu 1: The manager interviewed ........... candidates in turn.

A. each of the

B. each

C. every

Câu 2: ............. the experiment three timesnow with different results each time!

A. We’ve done

B. We did

C. We’ve been doing

Câu 3: While we’re working on the project ourboss ................ on a beach in Greece!

A. will sit 

B. will have sat

C. will be sitting

Câu 4: When I arrived the lecture................ soI didn’t find it easy to follow.

A. started

B. had startedcorrect

C. had been starting

Câu 5: They.......................personal computers when my father was a student.

A. hadn’t

B. didn’t havecorrect

C. weren’t having

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

A. decided

B. agreed

C. invited