It was not until the beginning of the twentieth century________to explore space.A.did man beginB.whe

题目简介

It was not until the beginning of the twentieth century________to explore space.A.did man beginB.whe

题目详情

It was not until the beginning of the twentieth century________to explore space.
A.did man beginB.when man began
C.that man beganD.then man began
题型:单选题难度:中档来源:不详

答案

C
考查not until的强调句型。结构为:it is + not until+其它+that … ,故选C,句意为:就是直到二十世纪开始的时候人类开始探索太空。

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