_____from the moon ,our earth with water ____70% of its surface, appears as a “blue ball”A.seen;cove

题目简介

_____from the moon ,our earth with water ____70% of its surface, appears as a “blue ball”A.seen;cove

题目详情


_____from the moon ,our earth with water ____70% of its surface, appears as a “blue ball”
A.seen;coveredB.seeing; coveringC.seen;coveringD.to see; to cover
题型:单选题难度:偏易来源:不详

答案

C

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