21. The two sides failed to reach an a                .

22. Don't p                 the door! You should push it.

23. He gained c                 to catch up with his classmates.

24. --- What's the w                 of the baby giant panda?

--- It's 100 grams.

25. I'm always worried about losing my money because I have a lot of w                .

26. The doctors always e                 their patients carefully.

27. The little girl is too frightened, and her face turns p                .

28. Americans usually feel u                 when a person stands too close to them.

29. It's not my f                , so I shouldn't say sorry.

30. You must k                 the ball, not throw the ball because you are a football player.

31. They didn't reach any a                 after two days' discussion.

32. The girl is p                 a car with her hair.

33. He asked the queen a question with enough c                .

34. You're getting heavier and you'd better lose some w                 to keep fit.

35. His personal w                 is estimated(估计) at around $100 million.

36. The doctor e                 her carefully, but he didn't find anything wrong with her.

37. You look p                . What's wrong with you?

38. We don't like the cinema. It has u                 seats.

39. The lights have not been turned off. But it's not my f                , is it?

40. Did he k                 the ball into the river?

41. Give some candies to the little boy. Don't            &nb