李老師：

　　I m sorry to tell you that I have to ask for sick leave for the whole afternoon class. Because I have a heavy headache now and feel very sick. I think I have to ask for sick leave to go to hospital for medicine. I will attend the next day classes on time.

　　我很抱歉地告訴你，我想請一整個下午的病假。因為我現(xiàn)在頭很疼而且感覺很難受。我覺得我必須得請假去醫(yī)院看醫(yī)生。我會準時參加明天的課。

　　Yours repectful,

　　Tim

　　蒂姆