◎ 题干
Leave him alone!  It's almost a waste of time__________ to such kind of person like him.
[    ]
A. explained                    
B. to explain
C. explaining                  
D. to be explained
◎ 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“Leave him alone!It's almost a waste of time__________ to such kind of person like him.[]A. explainedB. to explainC. explaining D. to be explained…”主要考查了你对  【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。