Dear Mr/Ms XXX;
Today I'm writing to you to ask for a five-day leave， for I' ve got cold last night with carelessness.This morning my mother took me to see the doctor， who told me to stay in bed for some days.So I am very sorry to be absent from school， especially your interesting lessons.I'1l be sure to make up for the missed lessons after I recover from the illness.
I'm sorry I have to ask for two daysoff.Because I had a bad cold yesterday. And now I have a high fever.I am feeling very bad.I can't study freely in class.I went to see a doctorin the hospital. Hegave me some medicine and asked me to stay in bed for two days. So I'm sorry to ask you two days leave.I hope you can ratify my ask. Thank you very much.
Reverent Mr. Green:
At first please forgive my interruption.Because I don't feel up to par this morning and i must be in hospital to get the hospitalization，i couldn't come to school within following two days.I will return to school soonly as i madeit. Thanks for your understanding.
To: John Smith， Supervisor
From: George Chen， Accounting Department
Date: March 11，001
Subject: Casual Leave of Absence
John，I would like to know if I could ask for a casual leave of absence from Marchto7.
Yesterday I received a letter from my parents， who are both over0， telling me that a big flood took place at my home village， causing serious damage to my house. As the only son of my parents，I should go back to assess the situation， and help them to get over these difficulties. Though Icannot stay at home for too long，I should at least make arrangements for maintenance work.I believe my relatives in the village and my neighbors will also come to help. Financially I have no difficulties.
I will call you at 1:30p.m. Or you can call me at any time.