1.Could you tell me something ______ UFOs? I am really interested in it.
A. of B. with C. about D. at
2.I hope you will be here at half _____ eight tomorrow morning.
A. in B. at C. to D. past
3.Fangfangs father is _______ forty years old.
A. about B. for C. to D. by
4.Dont worry _______ your maths. I will help you _____ it.
A. with...about B. about...on C. about...with D. on...about
5.They lived in a flat_____ the shop.
A. about B. on C. to D. above
6.How can you go ______ the street when the traffic is heavy?
A. across B. cross C. around D. past
7.How long would it take to swim _______ the river?
A. by B. across C. over D. through