() 3. I was asleep and didn't know what was.

   A. going on   B. going off

   C. going up

() 2. I will behave well in school and won't my parents .

   A. let;out   B. let;in

   C. let;down

() 1. We are supposed to spend our time on lessons on games.

   A. rather than   B. less than

   C. or rather

46. 赶到;露面show

47. 着陆;登陆land

48. 卖光 sold

49. 用完;耗尽run of 

50. 拿某人开玩笑 play jokes/tricks sb.

41. 自言自语 think oneself 

42. 听说 hear

43. 变成 turn

44. 发生go

45. 加人某人做某事join sb.   do sth.

37. 排队等候wait line 

38. 盯着看stare

39. (飞机) 起飞take

40. 误机 the plane

33. 跟着某人转follow sb.  

34. 把某物落在家里 sth. at home 

35. 轮流做某事 take to do sth.

36. 离……东面两个街区的距离two east from …

29. 让某人松了一口气的是  one's relief 

30. 同意 agreement 

31. 陷入和某人的斗殴get a fight with sb.

32. 从经验中学习learn from the

25. 吸取教训 learn mistakes 

26. 而不是 rather

27. 齐心合力pull

28. 接近(做) 某事 be close (doing) sth.

21. 使……失望let…

22. 开除某人kick sb.  

23. 让某人进来let sb.  

24. 对某人苛刻 be too hard sb.