◎ 题干
He said that not until the heavy snow blocked the express _________ how serious the weather was.
A.did the tourists realizeB.the tourists realized
C.the tourists did realizeD.didn’t the tourists realize
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He said that not until the heavy snow blocked the express _________ how serious the weather was.A.did the tourists realizeB.the tourists realizedC.the tourists …”主要考查了你对  【全部倒装】【部分倒装】【省略句】  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。