Look! If we had begun to do the work yesterday morning, we _____ ourselves just like them．A.would have enjoyedB.were to enjoyC.should enjoyD.would be enjoying
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D解析试题分析：考查虚拟语气的用法。由had begun可以判断条件状语从句里是对过去的虚拟，由Look!可以看出主句说的是对现在进行时的虚拟。句意：看!如果我们昨天早晨就开始工作，那么现在我们就和他们一样玩的开心了。选项BC是对将来的虚拟，选项A是对过去的虚拟，故选D。虚拟条件句中，主、从句的动作若不是同时发生时，须区别对待。考点：考查虚拟语气的用法及语境的理解。
点评：本题较难。混合虚拟对于学生来说是难点，本题又是学生很少做的现在进行时的虚拟，学生做对的可能性较小。即学即练：We _____ a pleasant journey but for the rain. A. would have B. will have C. had had D. would have had解析：选D。 but for the rain = if it hadn’t rained为介词短语表示虚拟的含蓄的表达方式。本句表示对于过去情况的假设虚拟。