◎ 题干
—Did you ask Tom for help?
—I ________. —I managed perfectly well on my own.
A.needn’t have B.don’t need to C.didn’t need to D.needn’t
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ —Did you ask Tom for help?—I ________. —I managed perfectly well on my own.A.needn’t haveB.don’t need to C.didn’t need toD.needn’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。