56. When I got home last night, my parents ____________ (not fall) asleep yet.

55. He said he ____________ (leave) for America the next month.

54. We should decide whether ____________ (travel) to Beijing or not.

53. It seems he spends much time ___________ (chat) with his e-friends on the Internet.

52. I __________ (write) to my friend at 8 yesterday morning.

51. Three patients __________ (operate) on by the famous doctor in the past 10 hours.

50. Because of the success in this film, the actress became famous __________ (立即).

49. The __________ (热) from the fire will soon dry your clothes.

48. Someone who is guilty means someone has done something __________ (违反) the law.

47. I can’t stand(容忍)the people who are __________ (残忍的) to animals.