【正确答案】[参考范文] Dear Mr Li, I have got a bad cold and a headache this morning, probably because o{the changeable weather. I went to see the doctor ear]y this morning, and he advised me to stay at home and have a rest for several days. So I can't go to school these days. I will study at borne and will try my best to catch up with the lessons after I'm well arid come back to school. Thank you. Yours, Zhouhua