21. --- What's your favorite p                ?

--- Happy Camp.

22. Look at those boxes. They are all f                 of fruits.

23. I think doing sports is good for our h                .

24. He made a big mistake. As a r                , he lost his job.

25. A                 she is a child, she knows quite a lot.

26. In our school eighty p                 of the students like playing computer games.

27. I went to the d                 because I had a bad tooth.

28. He a                 lost his life on the mountain.

29. My friend, Lily, likes chatting on the I                .

30. The wind comes into the room t                 the open window.

31. His son's favorite p                 is Animal World.

32. The cup is f                 of water.

33. Doing morning exercise is good for our h                .

34. Here is the r                 of the student activity survey.

35. Alan decided to accept this invitation a                 he didn't like the party.

36. The factory's produce increased by five p                 last year.

37. You have a toothache. Why not go and see a d                (a doctor who can look after your teeth)?

38. When the meeting is a                 over, that man comes in.

39. Now, we can search for some information easily on the I                .

40. T                 the kitchen window, I saw the mailman walking up to the house.

41. Nick often looks for things on the                 (因特网) at the weekend.

42. I like watching TV                 (节目) on Chinese cooking.

43. Walking helps you to keep in good                &n