40. Taiwan is in the ______(south) part of China.

39. I’m __________(true) sorry for being late again.

38. We have improved our ___(know) by studying in class and practicing after class.

37.“Where is your father?” “He has gone to Shanghai on _____.”(busy)

36. Of all the _______(activity), I like reading most.

35. Do you know who is ______(clever) of the two?

34. Teachers should speak to their students in a 　　　　　　　way. (friend)

33. We went there______(direct) without stopping.

32. The ground is covered with fallen _______(leaf).

31. That’s the ________(enter) to the hall. Please come this way.