◎ 题干
____ in the United States, St Louis has now become the 4th largest city.
A.It is the 24th biggest city
B.It was the 24th biggest city
C.Before the 24th biggest city
D.Once the 24th biggest city
◎ 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“ ____ in the United States, St Louis has now become the 4th largest city. A.It is the 24th biggest cityB.It was the 24th biggest cityC.Before the 24th biggest c…”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。