书面表达
假如你上周末发生了一起事故，被一辆车撞了，伤着了腿。有人帮你叫了救护车，送进医院，通过X射线显示，骨头没有什么问题，医生建议你多休息，最好不要活动。请你根据以上提示，给班主任刘老师写个假条。词数在60-80。
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One possible version:
Dear Mr Liu,
I'm sorry to say that I can't go to school today. A car hit me on my way home, and I hurt my leg.
Someone called an ambulance and took me to the hospital. I had an X-ray, and it showed that there
was nothing serious with the bone. But the doctor asked me to have a good rest , and had better not
move often. So I asked for 3 days off. Thank you.
Li Lei