问题
选择题
Hard is feeling uncomfortable.He _____ too much at the party last night.
A．could drink
B．should drink
C．would have drunk
D．must have drunk
答案
D.
句意：Hard现在感觉不舒服。他一定昨晚在聚会上喝地太多了。must have done表示对过去事实的肯定推测，题干中的last night是解题的关键。
【考点定位】考查情态动词与完成时连用。