15.our teacher is very strict ____us he is also very strict _____his work.

　 A. in with　　 B.with in　 C.for in　　 D.in for

14.When the teacher came into the classroom,the students stopped______.

　 A.talking　 B.to talk　 C.talk　　 D.talked

13.Teenagers should be allowed ______their own clothes.

A.choosing　 B.choose　 C.to choose　 D.chose

12.____a could moring,I opened the window and was glad to find that it was snowing outside.

　 A.by　 B.In　 C.at　 D.on

11.　 Sixteen-year-olds should be allowed to drive.

_____,They aren’t serious enough at that time.

A.I agree　　　　　　 B.I don’t agree　

C. Yes, they should　　 D.No they shouldn’t

10.　 Must I write all the words down now？

No you____.

A.mustn’t　　’t　　 C.won’t　　 D.needn’t

9.　　 Radio are _____ everyday life.

A.use for　 B.ueing for　 C.used for　　 D.used in

8.　　 What did you write yesterday?

I wrote ______.

A.an 800-words-letter　　 B.an 800-words letter

C.an 800-word letter　　 D.800-word-letters

7.　　 He should introduce _____to his friend’s parents.

A.him　　 B.himself　　 C.his　 D.he

6.　　 Mr Wang always comes ______good solutions to people’s problems.

A. up　　 B.to　　 C.up with　　 D.up to