14. I have so many books ____, and I really don’t know which one ______.

　 A. choose from, to choose from　　 B. choose from, to choose

　 C. to choose from , to choose　　　 D. to choose , to choose

13. Remember to ___when you dive into water.

　 A. lose your breath　　 B. hold your breath

　 C. catch your breath　　 D. take your breath

12. When he was ten, Edison ____a small lab of his own.

　 A. put up　 B. set up　 C. send up　 D. build up

11．There used to be lots of fish swimming in the lake,___?

　 A. used there　 B. usedn’t　 C. usedn’t they　 D. usedn’t there

10. Boris has brains , In fact , I doubt whether anyone else in the class has ______IQ. 　

A. a high　 B. a higher　 C. the higher　 D. the highest

9. If anybody call, tell them I’m out, and ask them to _____their name and address.　　

A. pass　 B. write　 C. take　 D. leave

8. Robert is said ____abroad, but I don’t know what country he studied in.　 A. to have studied　 B. to study C. to be studying　 D. to have been studying

7. My dictionary____. I have look for it everywhere but still____ it .

　A. has lost , don’t found　 B. is missing , don’t got

　C. has lost , haven’t found　 D. is missing, haven’t found

6. After the war , a new school was stt up ____there had once been a theatre.　 A. that　 B. where　 C. which　 D. when

5. Someone is ringing the doorbell. Go and see____.

　 A. who is he　 B. who he is　　 C. who is it　 D.who it is