英语作文朋友邀请参加生日聚会因有事不能去,要表示感谢并说明原因,80词左右英语作文朋友邀请参加生日聚会因有事不能去,要表示感谢并说明原因,80词左右~急用。

Dear friend,Thank you for your asking.I would love to,but I am really a little bit busy that day.I have to do something important.I am very sorry that I can not go to the there.I'm really sorry about ...