33. Children can ________ a lot _________ this new kind of school system.

A. benefit; from 　　B. benefit; with　 C. change; from　　 D. lose; from

32. It will not be ________ we can meet again.

　 A. long before　　　 　B. before long　　 　　C. soon after　　　　 D. shortly after

31. He made a promise ______ he would help me.

　　 A. that　　 　　　B. which 　　C. whether　 　　D. why

30. ______ is known to us all that Shanghai will host the 2010 World Expo.

　　 A. Which　　　　 B. This　　　　　 　C. That 　　　　　D. It

29. –It is widely accepted that animals learn to do things because their certain acts lead to _______.

　 A. rewards　　　　 B. prize　　　　 C. awards　　　 　D. results

28. She is too fat, but she can’t ________ sweet.

　 A. remove　　　 B. resist　　　　　 C. reject　　　 　　D. object

27. Can you imagine what problem may ________ when human beings are cloned?

A. raise　　　　 B. cause　　　　　 C. arise　　 　　　D. lead

26. Sheep can provide us _________ wool, ________ is known to us all.

A. for; that 　　　B. for; which　　 C. with; which　 　D. with; that

25. I really appreciate that your help is of great _________.

A. useful　　　　 B. value　　　　 C. important　　　　　 D. worth

24. I had no idea when and where ________..

A. it happened　　 　　　　　　　　　B. does it happen 　

C. it had happened　 　　　　　　　　D. had it happened