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

11. ＿＿＿＿＿you've got a chance. you might as well make full use of it.

A. Now that　　 B. After　　 C. Although　　 D. AS soon as

10. －－Alice. you feed ihe bird today,＿＿＿＿＿ ?

－－But I fed it yesterday.

A. do you　　 B. will you　　 C. didn't you　　 D. don't you