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April 26, 2016 Dear Professor John, I’m sorry I can’t e to your lecture today as I am running a fever. I should be very much obliged if you shall grant me the leave. I’ll do my best to make up the lessons as soon as I’m recovered. Yours respectfully, Mary April 12, 2016 Dear Manager, I’d like to apply for three days leave, starting from the 13th to the 15th, in order to return to my hometown to see my father, who is seriously ill these days. I should be very much obliged if you grant me the leav