问题
选择题
I ________ sooner but I didn't know that they were waiting for me.
A．had come
B．was coming
C．would come
D．would have come
答案
答案：D
考查虚拟语气。本题选项中既有表示过去事实的动词，又有表示过去动作的虚拟。句意：我不知道他们一直在等我，要不然我肯定会迅速点儿。根据句意可知，这里是对过去的虚拟，故用“would have done”的形式。