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    from the moon ,our earth ,with water seventy percent of its surface, appear as a “blue ball A. See ,covered B. Seeing ,covering C. Seen ,covering D. To see, to cover 【查看更多】

     

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    _____from the moon ,our earth ,with water ______seventy percent of its surface, appear as a “blue ball”

    A.See ,covered   B. Seeing ,covering   C. Seen ,covering   D. To see, to cover

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