◎ 题干
Only when all the fish in the lake died ________ how serious the pollution was.
[     ]
A. did the villagers realize  
B. the villagers realized
C. had the villagers realized  
D. the villagers had realized
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“Only when all the fish in the lake died ________ how serious the pollution was.[ ]A. did the villagers realizeB. the villagers realizedC. had the villagers r…”主要考查了你对  【部分倒装】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。