Dear Wangping,
I had a wonderful time visiting Beijing because of your help.You are a really kind man .You took me to the Great Wall,which is a good place of a long history.You also provide me with house to live.You are such a friendly man that I feel very lucky to meet you.
I look forward to visiting Beijing again.Thank you very much!
一.写称呼
二.写心的原因及感谢内容
三.再叙述事情的经过
四.说明这件事对自己的影响或者看法
五.再次感谢
六.结束语
七.签名