4.　　　 The car came to a stop s__________.

3.　　　 I think s________ English is more difficult than written English.

2.　　　 The world’s population is one of the biggest c__________ of the world today.

1.　　　 Do you take n__________ when learning Chinese?

39. The students are watching their chemistry teacher _________ the experiment ________.

　 A. do, careful　 B. to do, carefully　 C. doing, carefully　 D. did, careful　

二 根据句意和所给的首字母写出正确的单词

38. I don’t like the teachers who are too _______ us.

　 A. strict in　 B. strict at　 C. strict on　　 D. strict with

37. Let’s ______ up that tall tree.

　 A. not to climb　 B. climb not　 C. not climb　 D. to climb not

36. Don’t make __________. I can’t hear the music.

　 A. aloud noise　 B. much noise　 C. many voice　 D. much sound　

35. Tom is ill at home today, so I don’t have a partner to practice English _____in class.

　 A. to　　 B. with　 C. or　 D. and

34. She is _________ the dark. So she goes to bed with the bedroom light on.

　 A. worried about　 B. interested in　 C. afraid of　 D. excited about