◎ 题干
The old man lives _____ the _____ floor. I often go there to look after him.
[     ]
A. in; two
B. on; second
C. to; second
◎ 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“The old man lives_____ the_____ floor. I often go there to look after him.[ ]A. in; twoB. on; secondC. to; second…”主要考查了你对  【序数词】【介词】  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。