◎ 题干
— You didn't wait for Tom yesterday.
— Yes, but we ______. He didn't come.
[     ]
A. needn't have    
B. didn't need to    
C. could have    
D. should have
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— You didn't wait for Tom yesterday.— Yes, but we ______. He didn't come.[ ]A. needn't have B. didn't need toC. could haveD. should have…”主要考查了你对  【动词短语】【一般过去时】  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。