◎ 题干
The boy insisted that he __________ nothing wrong and that he __________ at once.
A.did, should be set freeB.should do, must be set free
C.do, should be set freeD.did, must be set free
◎ 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“The boy insisted that he __________ nothing wrong and that he __________ at once.A.did, should be set freeB.should do, must be set freeC.do, should be set freeD…”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。