from the moon ,our earth ,with water seventy percent of its surface, appear as a “blue ba——青夏教育精英家教网—

摘要： 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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_____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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