一、单选题（共 20 道试题，共 80 分。）
1. Don’t talk about such things of __________ you are not sure.
2. ______ with his report, the boss told John to write it all over again.
A. Not being satisfied
B. Not having satisfied
C. Not to satisfy
D. Not satisfying
3. Since the introduction of the new technique, the production cost _____ greatly.
B. is reduced
C. is reducing
D. has been reduced
4. The children are too young to tell good books _______ the bad ones.
5. Jane’s cap is red. But __________ is blue.
6. I can send him a note _______ the internet mail system today.
7. I was giving a talk to a large group of people, the same talk I ________ to half a dozen other groups before.
A. was giving
B. am giving
C. had given
D. have given
8. Mike is better than Peter ________ swimming.
9. The nursery rhyme is very _______ to me. It reminds me of my childhood.
10. The wooden cabin, _____ by ancient trees, was built long ago by the old hunter.
11. It was on the beach _______ Miss White found the man lying dead.
12. He looks sad because there are so many problems ___________.
A. remaining to settle
B. remained settling
C. remaining to be settled
D. remained to be settled
13. Two thousand dollars ________ enough for the car.
14. The soup smells __________. Would you like some?
15. They use television advertising as a ________ for stimulating demand; apparently they have succeeded as the sales revenue has increased dramatically.
16. They have learned about __________ in recent years.
A. several hundreds English words
B. hundreds of English words
C. hundred of English words
D. several hundred English word
17. We'll hold a sports meeting if it __________ rain tomorrow.
18. Children are often the innocent ______ of a divorce. Parents should think more about their children before they decide to divorce.
19. ________ tomorrow's lessons, Frank has no time to go out with his friends.
A. Not preparing
B. Not having prepared
C. Not to prepare
D. Being not prepared
20. Is this house the one _____ you once lived in your childhood?