◎ 题干
Sir, you _______ be sitting in this waiting room. It's for women and children only.    
[     ]
A. oughtn't to    
B. can't      
C. won't    
D. needn't
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Sir, you _______ be sitting in this waiting room. It's for women and children only. [ ]A. oughtn't to B. can'tC. won't D. needn'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。