精选优质文档-倾情为你奉上开头：自我介绍： I am Li Hua, coming from a middle school, which is the best education institution in my beautiful city.感谢信：I am writing this letter to express my sincere gratitude for your help.道歉信：I am writing this letter to express my apology for any inconvenience caused.询问信：I am writing this letter to see if it is possible for you to provide me with some imformation which is very important to me.建议信：I am writing this letter to make some conductive suggestions.邀请信：I am
