◎ 题干
It is never harmful _____ you to be polite and gentle to others and ______, as is often the case, you can get what you want.   
[     ]

A. to; thus  
B. for; thus  
C. of; therefore  
D. with; however

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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is never harmful _____ you to be polite and gentle to others and ______, as is often the case, you can get what you want.[ ]A. to; thus B. for; thus C. …”主要考查了你对  【副词】【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。