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
B
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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
B