【正确答案】 March 12
Dear Joe,
I’m Sam from ABC Company. I’m writing to you to express my appreciation for your hospitality during my travel in the United States.
New York is a vibrant and fascinating city and I like it very much. I hope to have chance to go there and meet you again.
Meantime, I sincerely invite you to come to China and it would be my honor to be your guide. Look forward to seeing you again.
Sincerely yours,
Sam