◎ 题干
—Did you notice John was not at work today?
—No.If _______ working,I would have noticed it.
A.I’dB.I was
C.I’d beenD.I were
◎ 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“—Did you notice John was not at work today?—No.If _______ working,I would have noticed it.A.I’dB.I wasC.I’d beenD.I were…”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。