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

A. in

B. of

C. at

D. for

Câu 1: My little son was interested ............... fixing broken objects and making new things.

A. on

B. at

C. with

D. in

Câu 2: Admission to this club is open ............ people under 30 only.

A. with

B. for

C. to

D. by

Câu 3: I saw Tom ............ a concert last Saturday.

A. on

B. at

C. in

D. for

Câu 4: Our flat is ....... the second floor of the building.

A. on

B. at

C. in

D. of

Câu 5: We travelled ................ 7.30 train, which arrived at 10.00.

A. in the

B. on the

C. by the

D. by

Câu 6: “Where’s the light switch?” “It’s ........ the wall ........... the door.”

A. in - on

B. on - in

C. on - by

D. by - in