问题 选择题

Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble.

A.even if

B.if only

C.in case

D.when

答案

答案:C

    

题目分析:考查短语辨析。A 即使;B要是...就好了;C,以防,万一;D当……时侯。根据句意可知此处强调以防万一的意思,所以答案选C。句意:学生被要求要成双成对的出入,尤其是在夜间,以防遇到麻烦。

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