13. –I’m going to the U.S.A　 ------How long____you ____there?

　A. are…stayed 　B. are…staying　 C. have…stayed　 D. did…stay

12. ______ students went to visit the Summer Palace last Saturday.

　 A. The large number of　　 B. A large number of

　 C. Large numbers　　　　 D. A great deal of

11. All the people _____at the party were his supporters.

A. present　 B. thankful　　 C. interested　 D. important

10.It was ____late for us to walk home after the meeting ,so we called a taxi.

A. too very　 B. much too　 C.too much　 D. far

9.____ get more land, the farmers tried many ways to fill the lake.

A. So as to　　　 B. So that　　 C. In order that　 D. In order to

8.The man insisted _____a taxi for me even though I told him I lived nearby.

A. find　 B. to find　 C.on finding　 D. in finding

7.I won’t forgive them for what they said, ______ they apologize.

A. so that　　　　　 B. even if　　 C. so far as　　　　　 D. in case

6. －I think it’s going to be a big problem.

　 －Yes, it would be.

　 －I wonder ___ we can do about it.

A. if　　 B. how　　 C. what　　 D. that　　

5. Mary asked me _____ to answer that letter.

A. don’t forget　　　 B. not forget　　　 C. not to forget　　　 D. not forgetting

4.I requested that he _______an hour earlier.

A. came　　es　　 C.will come　 D. come