5. No one thought that John’s suggestion was worth considering(consider).

4. They are going to help (to)water (water) the trees.

3. -Joe doesn’t seem like the same person.

-His seeing (he, see) so much in the war has made him more thoughtful.

2. He was lucky to escape being sent (send) to prison.

1. He ran all the way to the station only to find (find) the train had left.

10. -Why is the policeman punishing the truck driver?

-He is believed_____the traffic rule.

A. to break　　　　　　 B. breaking

C. broken　　　　　　　 D. to have broken

[解析]选D。考查非谓语动词。sb. is believed后接不定式，且“违反交通规则”这个动作已发生，故用不定式的完成式。

9. This problem is said ____ three times.

A. to have been discussed

B. to have discussed

C. having been discussed

D. to have been talked about

[解析]选A。此处使用的是不定式的完成被动式。 表示“曾经被讨论过三次”。

8. He said he would rather not ____ it right now.

A. doing　　　　　　 B. to do

C. do　　　　　　　　 D. to be doing

[解析]选C。would rather not do sth. 宁愿不做某事。

7. She pretended _____ me when I passed by.

A. having not seen　 B. not seeing

C. to not see　　　　　 D. not to see

[解析]选D。pretend to do假装做某事。

6. There’re so many kinds of tape-recorders on sale that I can’t make up my mind　 ____to buy.

A. what　 B. which C. how　　　　　 D. where

[解析]选B。which 用于有范围中的“哪一个”， 此处作buy的宾语。