29. A. has been to show　　　　　　　　　 B. has been shown　 C. has shown　 D. shows

28. A. similar　　　　 B. complex　　　　　 C. public　　　　　　 D. different

27. A. first few　　　 B. few first　　　　　　 C. a few first　　　　 D. first a few

26. A. difficulty　　 B. complexity　　　 C. simplicity　　　　　　　 D. difference

24. Our school is very beautiful,________ an area of around 12mu.

　 A. taking　　 B .rejecting　　 C. accompanying　　 D. covering　　

23. I don’t like the way ________ you speak to her.

A. / 　　　　　　 B. in that 　　　　 C. which　　　　 D. of which　　

22. He goes to visit his mother who is living in the country every ______weeks.　　

A. fourth 　　　　　　 B. other　　　 C. few 　　　　　　　　　　 D. A　 few

21. We must be clearly _____ that English has been a must in international trade.　

A. known 　　　　　 B. aware　　　　 C. realized　　　 D. seen

20._____ we have finished the course, we shall take a new one.　

　 A. Now that 　 B. Since that 　　 　C.　 Since now　　　 　　　　　 D. By now