假如你是李浩，请给班主任张老师写一份请假条。
原因：母亲突患重感冒住院，需要人照料。父亲不在家。想请三天假（three days' leave）。
写条日期：9月18日。
其他：表示尽快返校，补上所缺的课程。（70词左右）

dear Mr./Ms.zhang:
I am sorry to tell you that my mother, all of a sudden caught a bad cold and has to stay in hospital for some days.she needs someone to take care of her.what's worse ,my father has been in Europe on business these days and can't return in time.Now I am writing to you to ask for three days to look after my mother.I'll be back to school as soon as my mother is well.I assure you that I will do my best to make up missed lessons.

With best wishes

Your student
signature
Li Hao
2009.09.18