◎ 题干
I        my homework yesterday, but unfortunately I forgot about it totally.
A.need have handed inB.should have handed in
C.must have handed inD.may have handed in
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“I my homework yesterday, but unfortunately I forgot about it totally.A.need have handed inB.should have handed inC.must have handed inD.may have handed in…”主要考查了你对  【虚拟语气】【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。