◎ 题干
Though Jack is often tired ______ his job, he is never tired ______ it. In fact, he enjoys it.  
[     ]
A. of; with      
B. with; from      
C. from; of      
D. at; with
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Though Jack is often tired ______ his job, he is never tired ______ it. In fact, he enjoys it. [ ]A. of; withB. with; fromC. from; ofD. at; with…”主要考查了你对  【介词和介词短语】  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。