Question

【題目】They have been waiting for 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

Answer 1

【答案】B

【解析】考查介詞詞組。behind schedule“晚點(diǎn)”；behind the times“過時(shí)，跟不上時(shí)代”；ahead of time“提前”；in no time“立即，馬上”。根據(jù)句意可知選B。