21. Room 10 on the second floor is the ________ office. I know some of them.

   A. doctors      B. doctor’s      C. doctors’      D. doctors’s

20. A. No. 13.            B. No. 8.                 C. No. 15.

从每小题A、B、C、D中选出一个能填入句中空白处的最佳答案。

19. A. Dumplings.        B. Hamburgers.          C. Noodles.

18. A. 8:27p.m.           B. 7:47a.m.               C. 7:47p.m.

17. A. 12:20.              B. 12:25.                 C. 12:30.

16. A. T12.               B. T26.                  C. T27.

15. A. His parents.    B. Himself.             C. The girl’s uncle.

（四）录音中有一段广播和五个问题，广播和问题听两遍，然后从每小题A、B、C中选出能回答每个问题的正确答案。

14. A. He doesn’t know how to turn on the computer.  

B. He knows little about computers.

   C. He’s not allowed to play computer games.

13. A. Last week.     B. On his birthday.                    C. Once a day.

12. A. He’s worried about his computer.                

B. It doesn’t work at all.

   C. His computer is new.