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SEE的用法[]fromthemoon,theearthwithwater[]seventypercentofitssurface,appearsasablueball.ASeencoveringBSeeningcovering说出理由谢谢

题目详情
SEE 的用法
[ ] from the moon ,the earth with water [ ] seventy percent of its surface ,appears as a blue ball .A Seen covering B Seening covering 说出理由谢谢
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答案和解析
a
主语是earth 当然用被动了 后面是主动