Write.书面表达，请根据要求完成书信写作
假如你是 Chen Jie，请你给你的朋友 Sarah写信邀请她参加你的生日晚会，包含你的生日日期，属于哪个季节，在晚会上将要做的事情等。
Dear Sarah,

My birthday is on ______. It’s in ______ (季节). On that day I will have a birthday party with my friends. We

will________________________________________________________________________________________

_______________________________________________________________________________________________
_______________________________________________________________________________________________

Please come then.

Yours,

Chen Jie