◎ 题干
Last night Li Ping watched the football match at my home, so he________ in his office.
A.needn’t have workedB.mustn’t haven’t worked
C.shouldn’t have workedD.couldn’t have worked
◎ 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“Last night Li Ping watched the football match at my home, so he________ in his office. A.needn’t have workedB.mustn’t haven’t workedC.shouldn’t have workedD…”主要考查了你对  【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。