大学英语作文,生日聚会的道歉信。朋友生日没有参加，因此愧疚，写道歉信

大学英语作文,生日聚会的道歉信。朋友生日没有参加，因此愧疚，写道歉信 Dear xx
I'm writting this letter to apologize for not attending your party. I've been so traped with my schoolworks these days that I forgot your birthday. I feel sorry and mad at myself.Hope you could understand and forgive me.
Happy birthday dear and I wish you all the best in following days
I'm looking forward to seeing you soon.
yours xx