______ from space, the earth, with water______ seventy percent of its surface ,

游客2023-11-20  21

问题 ______ from space, the earth, with water______ seventy percent of its surface , looks like a "blue ball".

选项 A、Seen; covered
B、Seeing; covering
C、Seeing; covered
D、Seen; covering

答案 D

解析
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