31. Swimming is my favorite, but I know going swimming alone _____ be very dangerous.

A. can　　　 B. can’t C. needn’t　　　　 　　　 D. need

30. _____ it clear that he didn’t want to play computer games, our monitor left the Internet bar quickly.

A. Made　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. Making C. Having made　　　　 D. To make

29. -I believe John will pass the driving test this time.

　 -I believe so. He _____ it for months.

A. is practicing　　　　　　　 B. had been practicing

C. was practicing　　　　　 D. has been practicing

28. ____ the website of our school, and you’ll get loads of information on how to get ready for the college life.

A. Visit　　　　　　　　　 B. Visiting　　　　　　　　　 C. To visit　　 　　　　 D. Visited

27. Nowadays with the development of science, more and more new technology _____ to the fields of IT.

A. has introduced　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. was introduced 　　　

C. will introduce　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. is being introduced

26. The new plane will _____ a series of test flights before it is put into use.

A. go off　 　　　　　　　 B. go down　 　　　　　　　　　　　　　　　　　　　　 C. go through　 　　　　　　 D. go up

25. -Mum, have you seen my U-disk?

-I’m afraid I haven’t seen _____.

A. one　　　 B. ones　 C. that　 D. it

24. -Are you free after school?

　 -Sorry. I’ve planned to treat a friend of mine to dinner _____ for his help.

A. in addition　 　 B. in return　　 　　　 C. in particular　 　　 D. in public

23. The city Shanghai _____ the world with a great and green World Expo in 2010.

A. impressed　 　　 B. encouraged　　 　 C. covered 　　　　　　　　 D. promised

22. Life is full of _____ wonders. But they’re not always _____ ones we pray for.

A. the; the　 B. /; the C. /; / 　 D. the; /