作文。
假设你叫Jack．通过因特网认识了一位美国的笔友Tommy。用不少于5句话向你的笔友介绍一下你自己，必须用上所给的提示词。数字可以用阿拉伯数字表示。开头与结尾已为你写好。
12岁, on foot, near favourite subject hobby
Dear Tommy,
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Jack
Dear Tommy,
My name is Jack. I am 12 years old. My favourite subject is math. My hobby is playing the violin. I go to
school on foot every day because my school is near.
Jack
答案不唯一