Dear Mary
My birthday will be on January the twentieth.I'll have a party at my flat in the eveing.We will sing karaoke,dance and play games.I think everyone will have a good time.
I hope that you will come to my birthday party on time.
I'm looking forward to hearing from you soon.
Yours
Li Ming
非常乐意为您解答,满意望采纳,谢谢!