Look! If we had begun to do the work yesterday morning, we ourselves just like them．
A. would have enjoyed
B. were to enjoy
C. should enjoy
D. would be enjoying
网友回答
A. would have enjoyed
B. were to enjoy
C. should enjoy
(答案→)D. would be enjoying
解析：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。