chuyển các câu sau sang câu gián tiếp của câu hỏi dạng :"Yes-No question"
1. My father said:"Must you go to school tomorrow?"
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2.Tom's mother  said :"Will you help me this work tonight?"
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3.She said:"Can I come into your house now, Peter?"
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4.She said:'Do you live with your family here Mr Hung?"
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5.She said:' Did your grandfather die 2 years ago?"
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6.My friend said :" Did you phone me last night?"
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7.They said:"Can't you speak Chinese?"
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8.He said:"Are you going to leave here tonight?"
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9.She said:"Must we leave here before it stops raining?"
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