题目写“Leave applicationTo： 你上司的名字，职位（manager）From：你的姓名Date： May 17th，2010Subject： Casual Leave of AbsenceDear Mr./Mrs, 你上司的姓最好放在此。

There is a very important process in which I have to return to school for graduation thesis defense and other paper work before the graduation. so may I please ask for a leave on 20th,21st,24th,27th in May? I hope you will oblige and grant me the requested leave.Thank you very much for your consideration.Yours sincerely,你的名字。