◎ 题干

— How could they keep us waiting for so long?
— They got on the bus half an hour ago and they ________ be here in ten minutes, I think.
A.mightB.wouldC.shouldD.must
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“— How could they keep us waiting for so long? — They got on the bus half an hour ago and they ________ be here in ten minutes, I think.A.mightB.wouldC.shouldD.…”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。