题目内容
15．Harry 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 |
分析 哈瑞感到不舒服．他昨晚一定是在聚会时喝多了．
解答 答案：D
本题考查情态动词表示推测的用法．must+动词原形，表示对现在和将来的推测；must+完成时态，表示对过去的推测．题干中表示的是昨天晚上，故选D．
点评 情态动词表示推测的用法是考试时常考的内容．其用法分为：must+动词原形，表示对现在和将来的推测；must+完成时态，表示对过去的推测．学习时要注意区分和掌握．
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