I am writing to make an apology to you for+句子(表明事件因由)。
To make up my fault......\ I will......as a token of my apology\ I sincerely apologize for my careless mistake as well as for any inconvenience thus caused to you。
Once again， I am sorry for my carelessness。 Looking forward to your reply。
I venture to write to complain about ……+定语从句;
I would be grateful if you could do anything necessary to solve the problem facing me。
there are several aspects underlying this complaint。
For one thing......For anothe......In addition......
It is my sincere hope that you could give me full refund or replace it with a new one。 Your kind reply to this letter at your earliest convenience would be very much appreciated。
I am writing to you to recommend 。I have sufficient reasons to introduce this to you and I dare say this is the best I have ever seen。
This movie/book/city的主题或城市坐落于哪里。What is more， 情节吸引人、里边景色引人入胜。
Finally， this movie will definitely change our attitude toward this world and the people around us。 We will learn that.....
Therefore I don’t hesitate to recommend this to you。 I am sure you will enjoy the。
I am grateful to be employed as 职位+时间。Thank you for your kind attention and I would appreciate the opportunity of having worked here。
However，I regret having to resign from my position。 The reason for changing my working plan is that I have expected the job to be interesting and challenging， which turns out to be the opposite。 As a young man full of enthusiasm， I therefore decide to quit this job for something else。
I sincerely hope that you approve of my resignation。 I am sorry for any inconvenience caused。 Wish you and your company great success in the future。
I am writing here to provide some advice to improve......\You have asked me for my advice concerning/with regard to......
To begin with......Besides......Moreover......
I hope you will find these suggestions useful and I would be ready to discuss this matter with you to further details。 I am looking forward to your reply and wish you a good work。
I am looking for a position in 专业 department in which I may use my training in 专业 to solve 专业 problems。 I am writing the letter in purpose of applying for your recently advertised position for a staff member。
I am sure that I am qualified for it。 First， enclosed with this letter is my resume， which further details my previous academic qualifications and working experience。 Second， I am young， enthusiastic and sociable， and these personalities also make me a perfect candidate for it。
Last， my hobbies include......
I wish you would give me an opportunity to be interviewed。 I can be reached by calling me or the address on the envelope。 I would appreciate it very much if you could consider my application favorably at your earliest convenience and give me a reply。