是考试用的作文,

Dear Mr.Smith,
I'm writing this letter to thank you for your help last time.
I'll never forget the good the United States tour in New York
My English is not very good and I lose my interest in learning
it.However, since you taught me, my English has been better
andbetter. In a word thank you very much.Would you like to
have a visit in Tianjin? Tianjin is also a beautiful city.
There are many famous scenic spots.Sincerely hope that
your visit.I will take you around there.I think you will like
Tianjin ,too.
WangXu