◎ 题干
—Shall I help clean the kitchen, Mum?
—Thank you.But you ________ it because I can do it myself.
A.mustn't have done B.wouldn't have done
C.mightn't have done D.haven't got to do
◎ 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“—Shall I help clean the kitchen, Mum?—Thank you.But you ________ it because I can do it myself.A.mustn't have doneB.wouldn't have doneC.mightn't have doneD…”主要考查了你对  【虚拟语气】  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。