帮忙翻译一句,生活用语.谢谢

sorry,i got something to do ,i cant go to school today.

标准

今天有点事情要做,不能去上课了.对不起.
翻译：I am very sorry that I have some trouble so that I can not attend your class.

I can't go to school for I have something to deal with today,sorry!

So sorry that I have something to do that I can't go to school.