___________ from space, the earth looks like a blue ball.A．To seeB．SeeingC．SeeD．
题型：不详难度：来源：
___________ from space, the earth looks like a blue ball.| A．To see | B．Seeing | C．See | D．Seen |
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答案
| D |
解析
| 本题考查非费用动词。句子主语是地球而不是人，故用过去分词seen。句意：从太空看，地球看起来像一个蓝色的球。 |
举一反三
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