Question

【題目】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】考查介詞。A. in在……里面；B. behind在……后面；C. across穿過；D. off離開。句意：火車晚點了，你必須再等十五分鐘。behind schedule晚點；落后于預定計劃；誤期；誤點。根據語境可知，故選B。