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最佳答案：no,you needn'tthey must not walk with their hands
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最佳答案：no,we need not.
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最佳答案：no you needn't did have
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最佳答案：否定回答用,no,you don't have to或you needn't
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最佳答案：Are they student must follow the school rules? No,they aren't.
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最佳答案：Must we finish our work before 12:00No,we needn't.希望我的回答能够对你有所帮助
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最佳答案：Must you go back home at 9:30 pm?No,you needn't.或者No,you don't have to.
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最佳答案：May I……?No,you can't.Must I……?No,you needn't.