◎ 题干
—You didn’t wait for Mr. Black last night, did you?
—No, but we ____. He didn’t return home at all.
A.couldn’t haveB.needn’t have
C.didn’t need toD.should wait have
◎ 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“—You didn’t wait for Mr. Black last night, did you?—No, but we ____. He didn’t return home at all. A.couldn’t haveB.needn’t have C.didn’t need toD.shoul…”主要考查了你对  【虚拟语气】【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。