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单项选择 适中0.65 引用1 组卷251
They must have been enjoying themselves there, or they __________ so long.
A.wouldn’t stayB.needn’t have stayed
C.wouldn’t have stayedD.couldn’t stay
2014·江西新余·二模
知识点:stay与过去事实相反的假设含蓄条件句 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!