◎ 题干
It__________Jimmyand his classmates about half an hour _________the classroom..
[     ]
A. spends….to clean.        
B. takes….to clean  
C. costs….to clean          
D. spends…cleaning
◎ 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“It__________Jimmyand his classmates about half an hour _________the classroom..[ ]A. spends….to clean. B. takes….to cleanC. costs….to clean D. spends…c…”主要考查了你对  【实义动词】【动名词】  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。