题目内容
You should study the details of the policy before you sign it.
A. in return B. in advance
C. at ease D. on purpose
B
【解析】
试题分析:考查介词短语。A.in return做为回报,B.in advance提前,C.at ease轻松,D.on purpose目的,句意:在你签字前,你应该提前学习政策的细节。故B正确。
考点:考查介词短语
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