◎ 题干
It will take ________ years to make robots ________ the most unpleasant things.
[     ]
A. hundred, do  
B. hundreds of, to do
C. two hundreds, to do    
D. hundreds of, do
◎ 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 will take ________ years to make robots ________ the most unpleasant things.[ ]A. hundred, do B. hundreds of, to doC. two hundreds, to doD. hundreds of, …”主要考查了你对  【基数词】【实义动词】  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。