13. There will be a football match between China and Japan at the Worker’s Stadium this weekend. And the tickets are ________now at every ticket-office.

A. usable　　　 B. valuable　　 C. available　 D. suitable

12.--I didn't go to my evening class yesterday because I lost my textbook.　

--You _______mine. I didn't have any class then.　

A. could have borrowed　　 B. might borrow　　

C. must have borrowed　　 D. ought to borrow

11. ______ a good many hotels and restaurants ______ in the city of Beijing.　

　　 A. In the past ten years; have built　

　　 B. In the past ten years; have been built

　 　C. During the past ten years; have built　

　　 D. In the past ten years; built

10. These chips have reduced the size of the computer many times, thus ______ a new generation of minicomputers.

A. create　　　 B. created　　　 C. creating 　　D. to create

9. ----Has Sam finished his homework today?

　----I have no idea. He ____it this morning.

　　 A. did　　　　　　　　　　　　 B. has done　　　　　 C. was doing　　　 　D. had done

8. A large number of Jules Verne’s books are believed _______in the world, but the exact number is not known yet.

　　 A. to have been sold　 B. to have sold　 C. to being sold　　　　 D. to have been sell

7. ----Is it 　　　　that the spaceship will be launched within this week?

　----No, I don't think so.

　　　 A. probably 　　　　　 B. perhaps　　　 C. possibly　　　　　　　　 D. likely

6. The situation in Iraq is so dangerous that our government has ______ the workers ______ there.

A. forbidden, to go　　　　　　　　　　　　　　 B. demanded, not to go

C. kept, going　　　　　　　　　　　　　　 D. required, not going

5. The old man, ______ abroad for twenty years, is on the way back to his motherland.

A. to work　　 B. worked 　　C. to have worked　　 D. having worked

4. The speaker raised her voice a bit but still couldn’t make herself _______.

A. hear　　　　　　　　　 B. to hear　　　　　　　　　　 C. heard　　　　 D. hearing