Câu hỏi: I was standing .......... the back, so I couldn’t see very well.

A. on

B. at

C. in

D. of

Câu 1: We hadn’t arranged to meet. We met ...........

A. on change

B. by change 

C. by opportunity

D. for opportunity

Câu 2: What have you got ......... your mouth?

A. at

B. in

C. on

D. of

Câu 3: Write your name ............ the top of the page.

A. in

B. on

C. at

D. with

Câu 4: John has gone away. He’ll be back ......... a week.

A. on

B. at

C. in

D. for

Câu 5: When we were in France, we spent a few days .............. Paris.

A. on

B. at

C. in

D. to

Câu 6: Bombay is ........... the west coast of India.

A. on

B. at

C. in

D. of