◎ 题干

---Who can it be that hasn’t handed in his composition?
---It ______ be Robinson. He ______ it in yesterday.
A.will; should handB.must; should have handed
C.may; can’t handD.can; could have handed
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---Who can it be that hasn’t handed in his composition?---It ______ be Robinson. He ______ it in yesterday. A.will; should handB.must; should have handedC.…”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。