For    : (teacher name)
from : (your name)
   to a teacher father and Gentlemen, I apologize if on this day I can not follow the teaching and learning activities. I have visited him because my friend who was sick, and with a determination that either I have visited him.
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To my homeroom (teacher name)
From (you name)
I want to ask permission because there is a very important purpose, namely to see my brother being sick, now he's lying in the children's hospital because my brother has brain cancer, therefore I would like to request permission, tomorrow I've had to be in the hospital I to wait for  my brother was in surgery.
Thank you for your attention

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