四、书信题（ Essay IV ）：
（一）开 头 段：
1、告知对方你的身份（假如对方不认识你）
Dear Sir/Mr. Prometheus，
I was a student at your college， enrolled in Philosophy Department.
/ I am a … at your …
/ I am a … at your college， enrolled in the … course.
/ My name is …， I am …。
Dear Prometheus，
Hello/Hi. How are you？ / I hope everything is fine. / How are things going with you？
/ How are you getting on in/getting along with……？
3、解释写信的原因
（1）致谢：
I deeply appreciate your courtesy and I hope to reciprocate your favor when the opportunity arises.
/ I am greatly indebted to you for （the double） you have gone to on my behalf.
/ Thank you for your letter about studying in Canada.
/ I am writing to you to express my heartfelt gratitude.
/ I am writing to tell you how grateful I am for……。
/ I would like to thank you most sincerely for……。
（2）抱怨：
I am writing to complain about the poor service at your dining-room.
/ I am writing to express my dissatisfaction with/at …
/ I wish to make a complaint about……。
/ I am writing to draw your attention to……。
/ I am afraid I have got a complaint about……。
（3） 致歉：
I would be grateful if you would be so kind as to provide me with certain essential information regarding the following aspects.
/ I am writing to you because I am unable to……。
/ I an terribly sorry that……。
/ I would like to express my apologies for not being able to……。
（4）询问：
I would like to obtain/request/seek/inquire about some information about…
/ I am writing to ask if you can do me a favor.
/ I would like some detailed information on/about……
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