1. He breaks his tail. (改为一般疑问句) 
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2. My mother often goes to work by bus. (对划线部分提问)  
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3. My mother is a teacher. (对划线部分提问)
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4. Can you take a picture? (否定回答) 
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5. I would like some eggs. (改为一般疑问句)
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