17. The students _______ to solve the problem were brought to the lecture hall for a meeting．

A．chosen　　　　　　　　　 B．to choose　　　　　　　　 C．choosing　　　　　 　　　 D．to be chosen

16. There is ______what the weather will be like.

A. not knowing　 B. no knowing　 C. not know　 D. no known

15. The fried scallops(扇贝)we ate at the restaurant yesterday is marvelous. I’d like to have them again even if they cost ______.

A. as twice much　　　　　　　　　　　　　　　　　　　　　　 　B. much as twice

C. twice as much　　　　　　　　　　　　　　　　　　　　　　　 D. as much twice

14. ----What a beautiful picture!

----It’s years ______ I painted a picture as beautiful as this one.

A. that　　　 　B. since　　　 　　　C. when　　　 D. before

13. ________you have passed your driving test, you can drive on your own.

A. In case　 　　　　B. Even if　 　　　　　C. Now that　 　　　　　　 D. So that

12. More and more young people are fond _______ playing tennis nowadays.

A. on　　　 B. to　　　 C. in　　　 D. of

11. I’ll probably see you on Sunday; 　　, it will be on Monday.

A. thus　　　 B. then　　　 C. after all　　　 D. if not

10. Anybody in our class is _________ of working out the puzzle in ten minutes.

A. likely　　　　　　　　　　　 B. probable　　　　　　　　　 C. capable　　　　　　　　　　 D. unable

9. The suggestion that both sides ________do an equally good job in solving the pollution problems has pleased us all greatly.

A. shall　　　　　 B. could　　　　　　　 C. ought to　　　　　 D. should

8. Madam Curie　　　　 the element of Radium while Bell　　　　　　 telephones．

A．invented；discovered　　 　　　　　　　　　　　　　　 　 B．invented：invented

C．discovered；invented　　　　　　　　　　　　　　　　　 D．discovered；discovered