◎ 题干
— Can you imagine what is Jack doing now? He is playing football outside while everyone else is busy in class!
— He     his homework, I think.
A.must have finishedB.must finishC.can’t have finished D.mustn’t have finished
◎ 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“— Can you imagine what is Jack doing now? He is playing football outside while everyone else is busy in class!— He his homework, I think.A.must have finishedB.…”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。