◎ 题干
There are ______ floors in the building and Mrs Li lives on the ______ floor.
[     ]
A. twelve; twelve
B. twelfth; twelfth
C. twelfth; twelve
D. twelve; twelfth
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“There are ______ floors in the building and Mrs Li lives on the ______ floor.[ ]A. twelve; twelveB. twelfth; twelfthC. twelfth; twelveD. twelve; twelfth…”主要考查了你对  【基数词】【序数词】  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。