◎ 题干
The trip is free of charge but I'll take some cash ________.
[     ]
A. in case  
B. in advance
C. in charge  
D. in turn
◎ 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“The trip is free of charge but I'll take some cash ________.[ ] A. in caseB. in advanceC. in chargeD. in turn…”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。