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).

五、动词填空 用括号内所给动词的适当形式填空。（本大题共10分，每小题1分）

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.

46. Tina has a hobby of __________ (收集) stamps.

45. We’ll go to grandmother’s house for her __________ (六十九) birthday.

(B) 根据句意和汉语注释，写出单词的正确形式。

44. It was raining __________ (heavy) at this time yesterday.