请假条（Request for leave）
请假条常采用书信格式，比较正式，需写明日期、称呼、结尾和请假人的姓名，正文一定要写明请假的原因。如：
6th May．2003
Dear Miss Wang，
I'm feeling very sad today and can not come to work．The doctor advised me to stay in bed for a few days．Now I'm writing to ask for sick leave of three days．I'll come back to work as soon as I feel better．
Yours truly,
Liu Ying
