◎ 题干
It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.
A.couldn't B.mustn't
C.mightn't D.wouldn't
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.A.couldn'tB.mustn'tC.mightn'tD.wouldn't…”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。