Dear Mr. Du,
I’m sorry to tell you that I can’t go to school today. I’ve caught a cold because I went swimming yesterday.(英语作文)
This morning I had a headache and had a fr. The doctor aised me to stay in bed for two days.
Now I’m writing to you to ask for two days’ sick leave.(绿叶鸟网)
Yours respectlly,
Li Qing