Câu hỏi: We travelled ................ 7.30 train, which arrived at 10.00.

A. in the

B. on the

C. by the

D. by

Câu 1: I saw Tom ............ a concert last Saturday.

A. on

B. at

C. in

D. for

Câu 2: “What time will you arrive?” “I don’t know. It depends ......... the traffic.”

A. of

B. from

C. for

D. on

Câu 3: 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 4: “Where’s the light switch?” “It’s ........ the wall ........... the door.”

A. in - on

B. on - in

C. on - by

D. by - in

Câu 5: It was a confusing situation. Many things were happening ......... the same time.

A. at

B. on

C. in

D. of

Câu 6: Don’t be afraid .......... the dog. He is quite harmless.

A. in

B. of

C. at

D. for