71.　 It’ very kind of you to write to me.

70.　 I was so pleased to receive your letter and I am writing to tell you　 …

69.　 In your letter you asked me for some advice in how to improve your spoken English.

68.　 I’ll appreciate it if you can tell me something about your school.

67.　 You are requested to ring him up this evening any time from 8:00 to 11:00.

书信往来

66.　 I have to meet my wife at the airport at 3 p.m. today.

65.　 The flight to Beijing will be delayed for five hours. Now we have to change some of our plans.

64.　 Tomorrow’s meeting will be put off to Friday.

63.　 I’ll go back to school as soon as I am well enough. And I’ll do my best to make up for the missing lessons during my absence.

62.　 Your kind permission will be greatly appreciated.