◎ 题干
Your mother looks a bit disappointed. You ______ have told her the truth.
[     ]
A. should
B. must
C. can
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Your mother looks a bit disappointed. You ______ have told her the truth. [ ]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。