英语道歉信（急!）日期：今天内容：同事张某昨天的生日宴会,我因朋友来访,没能应邀参加,对此我写信向他表示歉意.内容在多点，不是我写多少就多少。我写的只是个大概。我们要求写个作文的

Zhang colleagues birthday party yesterday, I was visiting a friend, not invited to participate in, and I am writing to apologize, he said.

Dear Zhang*
I'm very sorry that I didn't visit your party.Because my firends went my home yesterday.So pleace forgive me.
Your firends,
**