◎ 题干

That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station.
A.must have goneB.shouldn’t have gone
C.could have goneD.couldn’t have gone
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“That day they ________ there on foot, but they took a taxi. The place was only 50 meters away from the railway station. A.must have goneB.shouldn’t have gone …”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。