13. What’s your _________________(国籍), Chinese?

12. He________(插入)the key in the lock and opened the door.

11. A large ___________(比例) of school-books now have pictures.

10. They are trying to find a new way to _______ the spread of AIDS. 　

　 A. keep　　 　　　　　 B. arrest　　 　　　　　　　　 C. catch　　 　　　　　　　　 D. delay

9. I didn’t see her in the meeting room this morning. She ______ have spoken at the meeting.

　 A. mustn’t　　　 　 B. shouldn’t　　 　　　　 C. needn’t　　 　　　　　　 D. couldn’t

8. Our teacher made ____ clear at yesterday’s class meeting that everybody should come to school on time.

A. this　　 　　　　　　 B. that　　 　　　　　　　　　 C. what　　 　　　　　　　　 D. it　

7. Lucy ____ a job since she was out of work, but she hasn’t found one yet.

　 　A. had looked for 　 B. has been looking for 　　　 C. looked for　 D. is going to look for

6. If _______ in class, you will have to clean the classroom for a week as a punishment.

　 A. caught sleeping　 B. caught to sleep 　　　　 C. catching sleeping　　　 D. to catch to sleep

5. There were difficulties but he decided to carry on _________.

　 A. regardless of　 　 B. in spite of　 　　　　　 C. regardless　 　　　　　　 D. in spite

4. ____ warmly for his work, he was too excited to fall asleep.

　A. Praising　　 　 B. To praise　　　　　　 C. Having praised　　 　 D. Praised