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.

30. Which do you think is __________(fun) story of all?

29. In our school three _______(nine) of the students want to watch the football game.