11. You will be late _____ you leave at once.

　 A. if　　　　　　 B. until　　　　　　 C. unless　　　　　 D. or

10. Does your father know ______?

　 A. where you have gone　　　　　　　 B. where have you been

　 C. where you have been　　　　 　　　D. where have you gone

9. It must be your teacher’s book, _____?

　 　A. is it　　　　　　 B. isn’t it　　　　　 C. mustn’t it　　　　 D. needn’t it

8. Tom says his good friend, Brown, _____ in the air crash last year. So he _____ for a year.

　 　A. died; has died　　　　　　　　　　　 B. has died; died　　　

　 　C. died; has been dead　　　　　　　　 D. had died; has been died

7. They talked about the teachers and schools _____ they had visited.

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

6. He has _____ his uncle and now he is answering it.

　 A. heard of　　　　 B. heard about　　　 C. heard　　　　　 D. heard from

5. _____ he is very young, ____ he knows a lot.

　 A. Although; yet　　 B. But; although　　 C. Although; or　　 D. Although; but

4. Nobody knows what happened _____ her _____ the morning of May 1.

　 A. for; in　　　　　 B . with; on　　　　 C. to; on　　　　 D. to; in

3. ____ is known to all is that WTO stands for World Trade Organization.

A. Which　　　　　 B. What　 　　 　C. As 　 　　D. It　

2. Of my three friends, one is studying in New York; ____ two are studying in London.

　 A. another　　　　 B. other　　　　　　 C. the other　　　 D. others