問題詳情:
– Who didn’t turn off the light after school yesterday?
– It ______ be Lucy. She told me she was the last one to leave the classroom.
A. must B. mustn't C. might D. can't
【回答】
A
【解析】
試題分析:must必須,一定;mustn't禁止,千萬不要;might 可能;can't不能。句意:昨天放學後誰沒有關燈?根據下文,她告訴我她是最後一個離開教室的。可知前文指的是,一定是露西。故選A。
知識點:情態動詞
題型:選擇題