So far, the moon is the only one of the heavenly bodies in space ______ reached by manned spaceships

题目简介

So far, the moon is the only one of the heavenly bodies in space ______ reached by manned spaceships

题目详情


So far, the moon is the only one of the heavenly bodies in space ______ reached by manned spaceships.
A.that has beenB.what have beenC.which has been D.that have been
题型:单选题难度:偏易来源:不详

答案

A

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