31. It is required that the students _______mobile phone in their school , so seldom ______ them using one.

A. shouldn’t use; will you see　　　　　 B. not use; you will see

C. don’t use; will you see　　　　　　　 D. shan’t use; you will see

30. I don’t think he could have done such a stupid thing at such a grand opening ceremony last night ,______?

A. did he　 B. could he　 C. do I　 D. has he

29. Gary Locke , a Chinese-American , once______ as the governor of Washington for 8 years and now is U. S. Commerce Secretary.

A. had worked　 B. worked　　 C. is working　 D. has been working

28. _____is known to us all is that smoking does harm to one’s health.

A. It　 B. What　 C. As　　 D . Which

27. It was in the beautiful park ________was located by the sea ________we first met our new Chinese teacher.

A. where; which 　　　　　　　　　　　　　　　　　 B. that; which

C. that; that 　　　　　　　　　　　　　　　　　 D. which; where

26. He couldn’t ______ the fact that the money was found in his house. A. answer for　　　 B. leave for　　　 C. account for　　 D. care for

25. When he tried to make a (n) ________, he found that the hotel that he wanted was completely filled.

A. complaint　 B. claim　 C. reservation　 D. appointment

24. Although his leg was hurt,, he ______swim to the bank. 　 A. could　　　 B. should　　　 C. must　　 D. was able to

23. Cell phones are now widely used ,______ possible for us to talk to anyone from almost anywhere. 　 　A. make it　　 B. to make it　　 C. making　　 D. making it

22. I’d appreciate ____ if you can teach me how to use the computer.

A. that　 B. it　 C. this　 D. you