Câu hỏi: The train service is very good. The trains are nearly always .............. time.

A. for

B. at

C. on

D. in

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

A. on change

B. by change 

C. by opportunity

D. for opportunity

Câu 2: We’re having a party ......... Sunday. Can you come?

A. on

B. at

C. in

D. of

Câu 3: John has gone away. He’ll be back ......... a week.

A. on

B. at

C. in

D. for

Câu 4: Here’s a shopping list. Don’t buy anything that’s not ............. the list.

A. on

B. at

C. in

D. of

Câu 5: I’m surprised .......... the amount of traffic today. I didn’t think it would be so busy.

A. about

B. at

C. with

D. for

Câu 6: Look at the leaves ............. that tree. They’re ........... a beautiful colour.

A. in - in

B. of - at

C. at - at

D. on — in