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    47．---- Is this box heavy or light? -- . A．Yes, it is B．No, it isn't C．It's light. D．Yes, it's heavy 【查看更多】

     

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    ---Is this box heavy or light?
            ---_____.
    　　  A．Yes, it is　       B．No, it isn't
    　　  C．It's light.        D．Yes, it's heavy

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