◎ 题干
—Your mother look a bit disappointed. You   __    have told her the truth.        
—Yes, I have told her about the result of the exam.    
[     ]
A. should      
B. must          
C. can
◎ 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“—Your mother look a bit disappointed. You__ have told her the truth. —Yes, I have told her about the result of the exam. [ ]A. should B. must C. can…”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。