题目内容
【题目】Not until ________a third time ________that he had given birth to the reading system for the blind called Braille.
A.Louis Braille tried; he announced
B.did Louis Braille try; he announced
C.Louis Braille had tried; did he announce
D.had Louis Braille tried; had he announced
【答案】C
【解析】
试题分析:考查倒装句。句意:直到L布拉耶又尝试了一次,他才宣布成功发明了专为盲人阅读用的文字--Braille。Not until位于句首时,后面的从句不倒装,主句使用部分倒装,即把be/do/will/have/can等提到主语之前,A、B两项的第二空未倒装,排除A、B;D项第一空不需要用倒装,排除D,故选C。
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