题目内容
【题目】Why does she always drive to work ____ she could easily take the train?
A. unlessB. until
C. beforeD. when
【答案】D
【解析】
考查从属连词的用法。句意:坐火车上班很方便,为何她还总要自己开车去呢?A. unless除非;B. until直到...;C. before在...之前;D. when既然。此处when的意思是"既然"符合句意。故D选项正确。
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