范文一： June 2nd, 2021 Dear 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 范文二 Dear Sir or Madam: Dear Mr Li/Miss Li/Mrs Li, I beg to apply for two days’ leave/a week’s leave/7 days’ leave of absence (请假) from the 7th to 8th of this week. Because I was ill, I want to return/go home to see the doctor. To support my application, I herewith/enclose the sick leave certificate. I should be very much obliged if you will grant me my application. As regards the lesson to be missed during my absence, I will do my best to make them up as soon as I get back from leave. Yours respectfully, Li Min 范文三 Dear Ms Wang, I beg to apply for seven days’ leave /one week’s leave of absence from the 4th to 10th of this month. Because my father is seriously ill now, so I want to return home to see him. To support my application, I enclose the fax my sister sent. Yours respectfully, Li Fei 本文来源：https://www.wddqw.com/doc/924dd43da02d7375a417866fb84ae45c3b35c226.html