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

A. on

B. at

C. in

D. of

Câu 1: It was a confusing situation. Many things were happening ......... the same time.

A. at

B. on

C. in

D. of

Câu 2: Have you read any books .......... Agatha Christie?

A. of

B. from

C. by

D. with

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: 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 5: I saw Tom ............ a concert last Saturday.

A. on

B. at

C. in

D. for

Câu 6: Contrary ......... what most people used to believed, these minerals are not renewable.

A. with

B. for

C. against

D. to