Dear ....... ! 

I want to make a small announcement that next week is my birthday, and it would be great if you can take your time and join us for a small party at my house. This occasion will take place on the next Saturday evening, 17th of March, and everyone in our class will show up.  I am going to invite all of my friends. I will be very eager to meet you in there

..................... 

Bài mẫu: 

Dear Nam,

I am having a birthday party on Monday, April 24th. 

The party will be at my house at 36 Nguyen Trai Street from 6pm to 8pm.

I hope you will come and join the fun.

Love,                                                 Tel: 3 416 554.

Binh.

Chúc học tốt!!!