（1）：投诉信

Dear_______,
　　I am ______ (自我介绍) .I feel bad to trouble you but I am afraid that I have to make a complaint about_____.
The reason for my dissatisfaction is _______(总体介绍). In the first place,_______(抱怨的第一个方面). In addition, ___________(抱怨的第二个方面). Under these circumstances, I find it ________ (感觉)_______(抱怨的方面给你带来的后果).
　　I appreciate it very much if you could _______(提出建议和请求), preferably ______(进一步的要求),and I would like to have this matter settled by ____(设定解决事情最后期限).
　　Thank you for your consideration and I will be looking forward to your reply.
　　Yours sincerely
　　Li Ming

（2）：询问信
Dear ______,
　　I am ____________ (自我介绍). I am writing to see if it is possible for you to provide me with information regarding_______.(要询问的内容)
　　First of all, what are ____________________?(第一个问题) Secondly, when will___________________?(第二个问题) Thirdly, is __________?(第三个问题)
　　I would also like to inquire ________(将最重要的问题单独成段). Could you be so kind as to send me some relevant booklets on the above-mentioned aspects?
　　Thank you for you kindness, and your prompt attention to this letter will be highly appreciated.
　　Yours sincerely
　　Li Ming