题目内容
Not until all the fish died in the river, ____ how serious the pollution was.
A. did the villagers realize
B. the villagers realized
C. the villagers did realize
D. didn’t the villagers realize
A
【解析】
试题分析:考查特殊句式。not until位于句首时,主句使用部分倒装,即把be/do/will/can/have等提到主语之前,B、C未倒装;not被提到了句首,排除D,故选A。
考点:考查特殊句式
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