申请：I’m writing for an opportunity to work in your esteemed company that boasts of decades of reputation
邀请：I’m writing to request your attendance to a dinner party that is to be held in Beijing on August.
感谢：I am writing to extend my heartfelt thanks (sincere gratitude) toward…
投诉：I am writing to complain about the poor quality of a product that I purchased from your store two weeks ago.
祝贺：I am writing to extend my sincere greetings, wishing you a happy New Year, your career greater success and your family happiness.
【示例】Write a letter of application according to the following situation. You saw an advertisement in this morning’s newspaper. A company needs a secretary and you are interested. Write an application letter to that company.
【示例】I am pleased to discover from Beijing Youth that your company is calling for a secretary. I wonder if you could consider my application, for I am delighted to join your esteemed company. First, I can speak and write English fluently, which happens to meet your current requirement for the vacancy. Second, I have a good command of Microsoft Office System, Graphic Design and ADOBE system. Third and last, I am always ready to help other people because I’m patient, enthusiastic and sincere. Given these considerations, I sincerely hope that I can be a member of your esteemed company.
【示例】I would appreciate your assistance in this matter. If you have any question, please don’t hesitate to contact me. I can be reached at…Look forward to your reply.