3.(　 ) I don’t know if he ______ tomorrow. If he _______, I’ll meet him.

　　 A. will come; comes　　 B. comes; comes　 C. will come; will come　　 D. comes; will come

2.(　 ) “Where is Tom?” “He hasn’t come to school today, I think he ______be ill.”

　　 A. has to　　 B. should　　 C. may　　 D. can

1.(　 ) I think if I make a pen that has a machine in it. I’ll ______ write faster.

　　 A. can　　　 B. could　　 C. has been able　　 D. be able to

24. 现在；目前 _________________________　 25. 飘进 __________________________

22. 在。。。的控制下______________________　 23. 以。。。速度 ____________________

20. 太阳系 _____________________________　 21. 以许多方式 ____________________

18. 对。。。有害 _________________________　 19. 起飞；脱下 ____________________

16. 储存空间 ___________________________　 17. 首先 __________________________

15. The policeman stops the children from _________ (play) football in the street.

D. 翻译下列词组。

14. The speech given by the expert is worth _________ (listen) to.