◎ 题干
— We expected you yesterday.  
— I'm sorry, I        you to say that I couldn't be here until today.
[    ]
A. must have called            
B. would be calling
C. could have been calling      
D. should have called
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—We expected you yesterday. — I'm sorry, Iyou to say that I couldn't be here until today. [ ]A. must have calledB. would be callingC. could have been call…”主要考查了你对  【情态动词】【虚拟语气】  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。