Susan was reading a newspaper on the train_________ a strange old man come over.A.whenB.whileC.befor

题目简介

Susan was reading a newspaper on the train_________ a strange old man come over.A.whenB.whileC.befor

题目详情

Susan was reading a newspaper on the train_________ a strange old man come over.
A.whenB.whileC.beforeD.after
题型:单选题难度:中档来源:不详

答案

A               
             
试题分析:考查连词辨析。When 当。。时候;while 然而;before在。之前;after在。。之后。句意 苏珊正在火车上读报纸,这时一个陌生来走过来。考查固定搭配, be doing sth when 从句。正在做某事这时发生了某事。所以选 A 项。          

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