阅读理解， 根据短文回答问题。
Tom is seven. He goes to school every day. The school is near his home, so he goes there on foot and comes back home on time(按时). But today he is late. His mother asks him, "Why are you late today?"
"I am in the headmaster's office(校长办公室)."
"Why do you go to the headmaster's office?"
"Because my teacher asks us a question in the class. Nobody can answer it, but I can."
"It's good to answer the teacher's question."
"But the question is, Who puts ink on my chair?"
（1） Is Tom's home far from his school?
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（2） How does he go to school?
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（3） Does Tom often come back home late?
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（4） Only Tom can answer the question, can't he?
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（5） Is it good for Tom to do it?
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