(2013·济南3月模拟)You should study the details of the policy________before you sign i

题干

(2013·济南3月模拟)You should study the details of the policy________before you sign it.

A．in return	B．in advance
C．at ease	D．on purpose

上一题下一题 0.64难度单项选择更新时间:2014-06-19 01:35:54

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