Question

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

Answer 1

C

    
试题分析: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。