阅读理解。根据对话内容回答下列的问题。
John: Mary, come and look at my family photos.
Mary: Who is this man? Is he your father?
John: Yes, he is.
Mary: What does he do? Is he a writer?
John: No, he isn't. He is an engineer.
Mary: Where does he work?
John: He works in a car company. He likes music.
Mary: How does he go to work?
John: He goes to work by subway.
Mary: What does your mother do?
John: She is a teacher.
Mary: How does she go to work?
John: She goes to work by bus.
1. What does John's father do?
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2. What does John's mother do?
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3. Where does John's father work?
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4. How does John's mother go to work?
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5. Where does John's mother work?
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