Asking for an Extension of Leave
Aug. 11,
Dear Teacher Huang,
I am still lying in bed with the flu and unable to get up. I enclose a certificate from the doctor who is attending on me, as she fears it will be another two days before I shall be able to resume my study. Please give an extension of leave for as many days.
Your student,
Liu Xiaomei
Encl.: Doctor's Certificate of Advice
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