Many questions have been answered by John. He must have previewed the lessons last night, ____ he?
A.needn’t
B.hasn’t
C.didn’t
D.mustn’t
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◎ 解析
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◎ 知识点
根据n多题专家分析,试题“Many questions have been answered by John. He must have previewed the lessons last night, ____ he?A.needn’t B.hasn’t C.didn’t D.mustn’t…”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。
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