17. When he saw a ticket on the ground, he stopped ____.

　A. to pick it up　 B. pick it up　 C. to pick up it　 D. pick up it

16. I don’t know where Mr. White has gone. You’d better ask ____.

　A. else somebody　　 B. other somebody　　 C. somebody else　　 D. anybody else

15. Someone is knocking at the door. It ____my mother. It's time for her to be back.

　A. can be　　 B. may not be　 C. must be　　 D. mustn’t be

14. He is too old to ______the name of that book.

　A. pick up　　 B. think of　 C. come up　 D. fill in

13. The man ____France will give us a talk ____his country.

　A. from, on　　 B. of, in　　 C. of, about　　 D. from, of

12. My postcard is still on the desk. Why ______you ______it ?

A. haven’t, posted　　　 B. didn’t, postC. wasn’t posting　　　　 D. won’t, post

11. Can you ______who has lost the watch?

　 A. look for　 B. look up　 C. find　 D. find out

10. My hobby is ______all kinds of coins.

　A. to collect　 B. collecting　 C. to pick up　 D. picking up

9. Now her lost books are usually______ the library.

　A .returned　　 B .returned to　 C. paid　 D. paid to

8. One day the librarian ______ an idea.

　A. came up　　 B. came with　　 C. came up with　 D. came up to