英语作文内容：1感谢史密斯先生的热情款待。2邀请他来中国到你家做客。3问候史密斯的家人。在

Dear Mr. Smith,

First of all, thanks for your kind invitation and I really appreciate it. I would like to invite you to come to my home and I will show you around the city. Please send my best wishes to your family.

Look forward to your reply soon. Thanks