______ 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、Seeing
B、To be seen
C、Seen
D、Having seen

答案C

解析 因see和our earth为逻辑上的动宾关系,所以要用过去分词形式。过去分词短语seen from the space在句中作状语,相当于when our earth is seen from space。故选C。
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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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