21. The purpose of new tchnologies is to make life easier,＿＿＿＿＿it more difficult.

A. not make　　 　B.not to make

C.not making　　 D.do not make

20．－－Do you think the Stars will beat the Bulls?

－－Yes. They have better players,so I＿＿＿＿＿them to win.

A. hope　　 B.prefer　　 C.expect　　 D.want

19．Carol said the work would be done by October.＿＿＿＿＿personally I doubt very much.

A. it　　 B.that　　 C.when　　 D.which

18. You should make it a rule to leave things＿＿＿＿＿you can find them again

A. when　　 B.where　　 C.then　　 　D.there

17. Few pleasures can equal＿＿＿＿＿of a cool drink on ahot day.

A. some　　 B.any　　 C. that　　 D.those

16．The price＿＿＿＿＿,but I doubt whether it will remain so.

A. went down　　　　 B.will go down

C. has gone down　　 D.was going down

15．－－Will you stay for lunch?

－－Sorry,＿＿＿＿＿ ,My brother is coming to see me.

A. I mustn't　　 B.I can't　　 C. I needn't　　 D.I won't

14．Robert is said abrcad. 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

13．－－Idrove to Zhuhai for the air show last week.

－－Is that ＿＿＿＿＿ you had a few days off?

A. why　 　　　B. when　　 　C. what　 　　D. where

12. ＿＿＿＿＿him and then try to copy whay he does．

A. Mind　　 　　B. Glance at　 C. Stare at　 　D.Watch