Dear Amily,
I'm writing to express my thanks to you for yourwarm reception in this cultural exchange program. The help from you and your family made it possible that i had a very pleasant stay and i have a chance to know American culture better.The cultural exchange program becomes one of my most wonderful memories.Moreover,it's my honor to make friends with you .Besides,I do hope you can visit China one day so that I have a opportunity to repay your kindness and refresh our relationship. Again,I would like to express my thanks to you.Best wishes to you and your family!
Yours sincerely,
Zhang Wei