◎ 题干
The light is on in Mr. Green's room. He __________ be at home.
[     ]
A. must
B. can
C. mustn't
D. can't
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The light is on in Mr. Green's room. He _______ be at home. [ ]A. must B. can C. mustn'tD. can't …”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。