Question

【题目】The train is ________ schedule. You’ll have to wait another fifteen minutes.

A. in B. behind

C. across D. off

Answer 1

【答案】B

【解析】考查介词。A. in在……里面；B. behind在……后面；C. across穿过；D. off离开。句意：火车晚点了，你必须再等十五分钟。behind schedule晚点；落后于预定计划；误期；误点。根据语境可知，故选B。