— Cathy, I have cleaned the room for you. — Thanks. You _____ it. I could manage it myself.
[ ]
A. didn't need to do B. needn't have done C. mustn't do D. shouldn't have done
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根据魔方格专家分析,试题“— Cathy, I have cleaned the room for you.— Thanks. You _____ it. I could manage it myself.[ ]A. didn't need to do B. needn't have doneC. mustn't do D.…”主要考查了你对 【情态动词】,【现在完成时】 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。
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