They must have been enjoying themselves there,otherwise they _________ so long.
A.can’t have stayed
B.wouldn’t have stayed
C.needn’t have stayed
D.couldn’t stay
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◎ 解析
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◎ 知识点
根据n多题专家分析,试题“They must have been enjoying themselves there,otherwise they _________ so long.A.can’t have stayedB.wouldn’t have stayedC.needn’t have stayedD.couldn’t st…”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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