Dear teacher,
I'm sorry that I can't go to school today.I had a bad cold in the swimming class yesterday.My mother took my temperature and my temperatue was high.I have a fever .My mother took me to go to the doctor.He told me that I should stay at home and have a good rest for 2 days.So,I have to ask for two days leave from school.Thank you.
Yours
Li Ping
Macth 12th