15. As soon as she _______ open the letter，Mrs. White will find out what has happened to her husband.

　　A. tears B. is tearing

　　C. will tear D. has torn

　　16. ______ the government argees to give extra money，the theatre will have to be closed next month.

　　A. Unless B. If

　　C. Since D As

　　17. To reduce weight，plastic has taken _______ of iron and steel in making boats.

　　A. its place B. place

　　C. the place D. a place

　　18.-Let me help you with your suitcase.

　　-________.

　　A. You're very nice

　　B. Yes，you're so helpful

　　C. No，I can do

　　D. It's very kind of you

　　19. These three English novels are for you. The rest _______ for the other students in your class.

　　A. were B. is

　　C. are D. was

　　20. You _______ have seen Jane in her office last Friday;she's been out of town for two weeks.

　　A. couldn't B. mustn‘t

　　C. wouldn't D. shouldn‘t

　　21. Henry never said that he was good at maths，_______ he?

　　A. was B. did

　　C. didn't D. wasn‘t

　　22. The little girl showed the policeman the corner _______ she was knocked off her bike.

　　A. and B. which

　　C. that D. where

　　23. The snow was so deep that the climbers could not ________ to the camp.

　　A. get over B. get along

　　C. get through D. get around

　　24. In need of money，Bob had to take ______ job that was offered to him.

　　A. whatever B. no matter what

　　C. whichever D. no matter which

　　25. My friend and I would like to go to the concert，but ________ of us has got a ticket.

　　A. both B. none

　　C. neither D. all

　　参考答案：

　　1. A 2. D 3. C 4. B 5. C 6. A 7. D 8. D 9. B 10. C

　　11. D 12. A 13. C 14. B 15. A 16. A 17. C 18. D 19. C 20. A

　　21. B 22. D 23. C 24. A 25. B