林思彤

Dear Anna，

This Sunday is my birthday. I would like to invite you to my birthday party at my home. It will start at 7：30 p.m. As my best friend， I hope you can come to my party. I think you will be free at that day. There will be lots of candies， drinks and so on in the party. And I hope you can bring some friends with together. Please reply in writing to this invitation by this Friday. Im looking forward to your reply.

Candy

Hi Candy，

Thanks so much for inviting me to your birthday party. Id love come to the party， but Im afraid I cant . I have an exam on Monday， so I must prepare for it. The exam is very important . So I cant go to the party. Hope youll have a good time！

Anna