题目内容
They have been waiting for many hours to see the singer, but the airplane must have been _____.
A. behind the times B. behind schedule C. ahead of time D. in no time
【解析】B.考查短语意思辨析。behind schedule(=late, behind time)晚点;behind the times过时,跟不上时代,落后;ahead of time提前;in no time(=soon, quickly)立即,马上。
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