◎ 题干
The floor is very dirty. Will you please _____?
[     ]
A. mop it up
B. mop up it
C. to mop it up
D. to mop up it
◎ 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“The floor is very dirty. Will you please _____? [ ]A. mop it up B. mop up itC. to mop it up D. to mop up it…”主要考查了你对  【动词短语】  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。