◎ 题干
.He went there on foot and got very tired, but he _____ by bus. The fare was rather cheap.
A.could have goneB.must have gone
C.ought have goneD.will 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“.He went there on foot and got very tired, but he _____ by bus. The fare was rather cheap.A.could have goneB.must have gone C.ought have goneD.will 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。