用英语写出一篇不少于80词的短文 内容：你的朋友邀请你去参加他/她的生日聚会,你要告诉他/她你不能接受他的邀请.要求：1

Zhang Ge Zhuang Primary School .
Until 1988 Zhang Ge Zhuang had no school of its own.It was pretty hard for the children of the village who had to go to school in other villages which were all far away.Now Zhang Ge Zhuang Primary School has three teachers,teaching 48 pupils.The teachers had finished middle school education before they returned to teach here.The pupils are divided into five different classes,in which six subjects are taught.These are Chinese,Maths,Science,Music,Drawing and Physical Education.Education is free for all children in the village

Dear xxx
thanks for invitation.but i really sorry about that i can't attend it. because i have to look after XX, she has had a cold you know.i have to help her parents do some housework.
i defintly sorry about that again.i wish you had a good time and happy say birthday to you
YOURS

Dear XXX,
I am glad to receive your invitation for your birthday party and thank you very much,but i am really sorry,as i was very busy on my work ,and there are too many things i shoul...