◎ 题干
It is illegal for a public official to ask people for gifts or money ________ favors to them. 
[     ]
A.in preference to  
B.in place of
C.in agreement with  
D.in exchange for
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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 illegal for a public official to ask people for gifts or money ________ favors to them. [ ]A.in preference toB.in place ofC.in agreement withD.in exchange…”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。