( ) from space, our earth, with water covering 70% of its surface, appears as a "blue planet".

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问题 ( ) from space, our earth, with water covering 70% of its surface, appears as a "blue planet".

选项 A、Seen
B、Seeing
C、To be seen
D、Having seen

答案A

解析
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本试题收录于: 英语题库普高专升本分类
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