◎ 题干
–The floor is dirty. Can anyone clean it?  
–_____I do it all the time.
A.Don’t mention it. B.Why you? C.Not sure D.Not me again.
◎ 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“–The floor is dirty. Can anyone clean it? –_____I do it all the time.A.Don’t mention it.B.Why you?C.Not sureD.Not me again.…”主要考查了你对  【可数名词及其单复数】【动名词】【表语从句】【缩写与简写】  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。