2．C本题考查的是定语从句的用法。在这个定语从句里，they是其主语，would like to see是其复合谓语，that修饰的是先行词the plan，同时that也是see的宾语，the plan是被执行的，被实施的，只有过去分词可以表示被动。

1．D文句的含义是：“近来你见到彼德了吗?”第一个答语是肯定的，后面的动作是过去的事，因此使用asked。第二空是否受asked的制约，要由离第二个空白处最近的动词决定，离它近的是动词不定式to ask，据此根据句意，第二个空白处应该使用现在进行时。

30. I don't remember___________ to the airport that year.

A. to be taken　 B. being taken　 C. having　　 D. to take

答案详解：

29. A man does not know the difficulty of anything_________ he does it personally.

A. although　　 B. if　　　　　　 C. because　　　 D. unless

28. There is a _________ of 1000 dollars for the return

A. reward　　　 B. prize　　　　 C. thank　　　　　 D. prsise

27. Isn't it very kind __________ your parents to do that for us?

A. for　　　　　 B to　　　　　　 C. about　　　　　 D. of

26. --What was the party like?

　 --Wonderful. It is years_____________ I enjoyed myself so much.

25. I caught the last bus from town, but Harry came home___________ that night.

A. very late　　 B. even later　　 C. the same late　 D. the last one

24. We will take________ wants to go there for a sight - seeing.

A. whoever　　　　 B. who　　　　 C. anybody　　 　　D. all that

23. -May I have another chocolate?

　　 -Yes, of course.___________.

A. Take it yourself　　　　　　 B. Eat it, please

C. Help yourself　　　　　　　　 D. Have it yourself