Dear XX:
I won't be able to go to school tomorrow.Because i am ill now ,i am in hospital.i need to have a rest .Can you tell our teacher that I can't go to school?Thank you for your help.
yours friend加某某某
加当天日期
(如果说用心的话就要信封了)
Dear XX:
I won't be able to go to school tomorrow.Could please tell the teacher that I can't go to school?Thank you for your help.
你的名字
当天日期