◎ 题干
He is too young. He doesn’t know ______ by himself.        
[     ]
A. what to do things      
B. how to do things        
C. how to do            
D. what to be done
◎ 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“He is too young. He doesn’t know ______ by himself.[ ]A. what to do things B. how to do thingsC. how to do D. what to be done …”主要考查了你对  【宾语从句】  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。