Câu hỏi: Our flat is ....... the second floor of the building.

A. on

B. at

C. in

D. of

Câu 1: Since all vehicles were banned from the city centre, the air has been safe ........... pollution.

A. about

B. apart from

C. from

D. against

Câu 2: “Where’s the light switch?” “It’s ........ the wall ........... the door.”

A. in - on

B. on - in

C. on - by

D. by - in

Câu 3: “What time will you arrive?” “I don’t know. It depends ......... the traffic.”

A. of

B. from

C. for

D. on

Câu 4: We went ............. the theatre last night. We had seats ........... the front row.

A. to - in

B. for - on

C. at - of

D. in - at

Câu 5: Don’t be afraid .......... the dog. He is quite harmless.

A. in

B. of

C. at

D. for

Câu 6: It was a confusing situation. Many things were happening ......... the same time.

A. at

B. on

C. in

D. of