38. 　　 — Did you take enough money with you?

　 — Yes, but I spent _______ I had expected.

A. not so many as　 B. as many as　 　　 C. much more than　 D. much less than

37. 　　 Bad habits, _______ formed, are difficult, and sometimes impossible to shake off.

A. once　　　　 B. before　　　　　 C. until　　　　　　 D. unless

36. 　　　　　　　　　 Only when you leave your parents for college education _______ how much you love them.

A. do you realize　 B. you realize　　　 C. you will realize D. will you realize

35. The cause he had devoted himself to _______ a perfect success.

A. proving　　　 B. proved　　　　　 C. was proved　　　 D. has been proved

34. 　　 Many experts believe that teachers’ development is _______ the key to better education lies.　

A. that　　　　 B. what　　　　 C. where　　　　　　 D. which

33. Evidence has been piled up _______ drinking water after getting up in the morning contributes to one’s health.

A. what　　　　 B. which　　　　　　 C. if　　　　　　　 D. that

32. 　　 There is a great deal of research _______ that music activities engage different parts of the brain.

A. indicate　　 B. indicating　　　 C. to indicate　　　 D. to be indicating

31. 　　 Teenagers have reached a point in their life _______ they are supposed to make decisions of their own for the first time.

A. which　　　　　　 B. where　　　　　　 C. how　　　　　 D. why

30. 　　 They are considering ____ the house before the prices go up.　

A. purchase　　 B. purchasing　　　 C. purchased　　　　 D. to purchase

29. 　　 _______ more about Participant Service of Expo 2010, Shanghai China, call Hotline +86-21-962010.

A. To find out　　　 B. Finding out　　　 C. Find out　　 D. Having found out