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---fromspace,ourearth,withwatercovering70%ofitsasa"blueplanet"ATobeseenBSeeingCSeenDHavingseen

题目详情
--- from space,our earth,with water covering70% of its as a "blue planet"
A To be seen B Seeing C Seen D Having seen
▼优质解答
答案和解析
C
因为该句主语是our earth,our earth是被看的,所以用Seen.