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最佳答案:I don't have two this interesting book
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最佳答案:My father wasn't work in a hospital.
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最佳答案:No,he doesn't;过去式的话No,he didn't
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最佳答案:在had后加not.请尽快采纳.
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最佳答案:1.I can sing English songs .(改为一般疑问句并改否定回答)( Can ) you( sing ) English songs No