20. ---Don’t you think it necessary that he ______ to Ningbo but to Shanghai?

　 ---I agree, but the problem is ______ he has refused to.

　 　A. will not be sent; that　　 　　　　　　　　　　　 B. not be sent; that

C. should not be sent; what　　　 　　　　 　　D. should not send; what

19. You should treat him (in) the way ______ suits him most.

　 A. that　　　 　 　　　 B. in which　　 　　　　　 C. /　　 　　　　　　　　 　　　 D. why

18. ---Who should be responsible for the accident?

---The boss, not the workers. They just carried out the order ______.

　 A. as told to　　　 　　　 B. as are told to　　 　　 C. as telling to　　　　　　　 　　　 D. as they told to

17. Oh, it’s so cold here. Somebody ______ the window, please.

A. closes　 　 　　　　 B. close　 　 　　　　 　　　 C. shall close　　　　 　　　 D. will close

16. The government has taken some measures to solve the shortage of electricity, but it may be some time ______ we have enough power.

A. since 　　　　　 B. after　　　 　　 　　C. unless　　　　 　　　 D. before

15. I was working at my paper last night when the lamp ______.

　 　A. went out　　　 B. went off　　　　　 C. went away　　　 　　 D. went over

14. We’re happy that our predictions ______ so accurate, which is far from expectation.

A. might be　　　　　　 B. would be　　　　　　　　　 C. should be　　　　　　　　 D. will be