◎ 题干
Tom pretended ____it, but in fact, he knew it very well a long time ago.    
[     ]
A. not to listen to    
B. not to hear about    
C. not to have heard about    
D. not to be listening to
◎ 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“Tom pretended ____it, but in fact, he knew it very well a long time ago.[ ]A. not to listen toB. not to hear aboutC. not to have heard aboutD. not to be lis…”主要考查了你对  【动词短语】【不定式的完成式】  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。