◎ 题干
Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members.
After all, it was Christmas!
[      ]
A. shouldn't        
B. mustn't            
C. can'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“Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members.After all, it was Christmas![ ]A. shouldn't B. mustn'tC. can'tD. …”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。