五、请假条 (第二册第三单元写作)请假条要说明请假的原因和请假的期限。Sick leave 病假例文: June 2nd, 2009Dear Miss Zhang, I am sorry that I am unable to attend the morning classes because of a bad cold and high fever. Enclosed is a certificate from the doctor who said I must stay in bed today. I will go back to school as soon as I recover. Yours respectfully,Annie例子2 Dear Sir or Madam:Dear Mr Li/Miss Li/Mrs Li, I beg to apply for two days leave/a weeks leave/7 days leave of absence (请假) fro