A-A+
______from space our earth with water coveri
问题详情
______from space, our earth, with water covering 70% of its surface, appears as a "blue planet".
A．See
B．Seeing
C．Seen
D．To be seen请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：这是(过去)分词短语作状语，表示时间或条件，意思相当于when／if(it is) seen from space。
