英语作文：假如你是李华,将于今年12月参加中美学生文化交流.你将寄宿在美国Mr.and Mrs.Brown家里

Due to the coming student culture exchange, I am supposed to go to America and I will live with you for a few days.So I am writing to introduce myself briefly,which may allow you to know something about me in advance. I am already 17 years old and I am the only child of my family.Actually,I have learned English for 6 years in our school and my oral English is kind of fluent.I appreciate that i got this wonderful opportunity to go abroad,from which i think i can learn a lot.After all.I have been looking forward to this day for many years. Write back as soon as you recieve this letter.If you don't mind,I wish you could tell me something about your family ,as well. LiHua