◎ 题干
He turns a deaf ear to his parents, _____ many times they have pointed out his weaknesses.
[     ]
A. whatever  
B. whichever  
C. however          
D. whenever
◎ 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 turns a deaf ear to his parents, _____ many times they have pointed out his weaknesses.[ ]A. whateverB. whicheverC. however D. whenever …”主要考查了你对  【状语从句】  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。