Dear Sir or Madam,
I beg to apply for two days’ leave/a week’s leave/7 days’ leave of absence 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
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