21. The performance was so w                 that everyone gave a long and loud applause(鼓掌).

22. Mr. Green does the same work every day. He feels very b                .

23. The children can do all kinds of a                 in the park.

24. The Grand Canyon is one of the w                 of the natural world.

25. Danny is h                . He wants to eat.

26. I d                 this kind of music; it's too loud.

27. It's really cold today. The temperature is b                 0℃.

28. It's polite for us to w                 in line at the station.

29. Can you find the ten d                 between the twin sisters?

30. I just s                 at home m                 of the time to read and relax.

31. Hainan Island is a                 (极好的) place to take a holiday in Summer.

32. Grandpa feels                 (烦闷的) these days.

33. Students should be careful when they are taking some of the outdoor                 (活动).

34. --- Do you keep                 (日记) in English, Peter?

--- Yes. I think it's helpful to me to improve my English.

35. He                 (决定) to enter the garden, but he failed.

36. I                 (想知道) where Kim is now.

37.                 (等) for her made me angry.

38. If you're                 (饥饿的), you can buy some food in it.

39. --- Where is your                 (雨伞)?

--- It's in my schoolbag.

40. Here are their likes and                 (不喜欢).

41. Where did you                                 &nb