Dear Ms Ma,
I apologize that I cannot go to school today. Last night my mother had a high fever and coughed badly. I think that she has got flu. She didn t have a good sleep and is very weak today, so I will go to Tiantan Hospital with my mother, and then stay at home to att her. Because of this I have to ask for leave. I will appreciate you very much if you can allow my leave.
Yours,
Li Li
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