( )16. A. boys B. girls C. children D. young people

　　( )17. A. important B. difficult C. interesting D. easy

　　( )18. A. what B. which C.how D.when

　　( )19. A. see B. listen C. hear D. speak

　　( )20. A. send B. look C. wait D. ask

　　( )21. A. in B. by C. on D. with

　　( )22. A. people B. teachers C. children D. workers

　　( )23. A. slowly B. hardly C. quickly D. carefully

　　( )24. A. not B. and C. but D. then

　　( )25. A. first B. earlier C. before D. later

　　三.补全对话(共5小题;每小题1分，满分5分)

　　根据对话内容，从方框内的选项中选出能填入空白处的最佳选项，其中有两个为多余选项。

　　A: It’s very late. Are you still on the computer?

　　B: Well, yes. 26

　　A: What kind of e-mails?

　　B: Some are messages from my friends and some

　　are from the relatives.

　　A: 27

　　B: Of course! Usually people want a quick reply.

　　A: 28

　　B: I’ve already had 40 people’s addresses in my

　　address book! 29

　　A: 30 E-mail is really very convenient(方便的).