题目内容
【题目】It will be years _______ all children can go to school free of charge at all
A. since B. after C. as D. before
【答案】D
【解析】
试题分析:考查连词辨析。A.自…来B.在…之后C.当…时D.在…之前。It was+时间段+before+主语+动词过去时,意思是:过了多久,才…;It will be+时间段+before+主语+动词一般现在时“多久后,将…。句意:几年后,孩子们将能免费上学。故选D.
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