英语作文假如你的外祖父生病了,你要与你的母亲去看望,你需要跟老师请一天假,请你写一个假条,说明请假理由

Dear Mr. Li,　　I was caught in the rain yesterday and I had a fever last night.I am really not feeling well now. My mom will take me to see the doctor .Please excuse me for not attending school today...