Thanks for your hospitality,I really appreciate it very much.You've been so nice to me these days,providing me with food snd accomondation.I enjoy myself so much.And I'm sure we will meet someday later,and I want to say it again :Thank You! 我是写不下去了,没有一个主题,我也不知道收信人跟写信人是什么关系,你给的例句都写了