16. Occasions are quite rare __ I have the time to spend a day with my kids.

　 　 A. who　　　　　 　　 B. which　　　　 　　 C. why　　　　 D. when

15. Many Chinese universities provided scholarships for the students __financial aid.

　　 A. in favor of　 　 B. in honor of　　 　 C. in face of　　　 D. in need of

14. It was hard for him to learn English in a family, in which __ of the parents spoke the language.

　　 A. none　　 　　 B. neither　　 　　　 C. both　　 　　 D. each

13. The companies are working together to create 　　　　　they hope will be the best means of transport in the 21^st century.

　　 A. which　　　　 　　 B. that　　　　　 　 C. what　　　　 　　 D. who

12. John promised his doctor he 　　　　　　not smoke, and he has never smoked ever since.

A. might　　　 　 B. should　　 　　　 C. could　　 　　　　 D. would.

11. Fred entered without knocking and, very out of breath, sank __ a chair.

　　 A. oil　　　　　 B. off　　　　 C. into　　　　　 D. to

10. -Do you have a minute? I've got something to tell you.

　 -Ok, __ you make it short.

　　 A. now that　 　　　B. if only　　 　 C. so long as　　　 D. every time

9. -What's that noise?

　 -Oh, I forgot to tell you. The new machine ___

　　 A. was tested　　　　　 　　 B. will be tested

　　 C. is being tested　　　　 　 D. has been tested

8. 　　　in the fields on a March afternoon, he could feel the warmth of spring.

　　 A. To walk,　　 B. Walking　　 C. Walked　　　 　　 D. Having walked

7. 　　　apple tell from the tree and hit him on 　　　head.

A. An; the　　 　 B. The; the　　 C. An; 不填　　 　　 D. The;不填