Human beings have not discovered any life in space yet. A. looked B. foundC. invented D. searched 题目和参考答案——青夏教育精英家教网—

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( ) 2.Human beings have not discovered any life in space yet.
A. looked B. found

C. invented D. searched

题目来源：仁爱英语同步练习簿九年级上下册 > Topic 2 I'm excited about the things that will be discovered in future.

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阅读短文，选择最佳选项。

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