Question

— Who has made a mess in my room?— Who else _______ have done it but your naughty son? A．wou

— Who has made a mess in my room?— Who else _______ have done it but your naughty son? A．would B．could C．should D．must

Answer 1

B.

试题分析：考查情态动词用法。语境表示对过去发生并延续到现在的情况的推测，用could have done 表示不肯定的语气。句意：--谁把我的房间弄的一团糟？--除了你的调皮的儿子还会有谁呢？选B。 点评：情态动词用于推测和虚拟语气连用一直以来都是高考的重点，表示推测的时候对现在情况的推测以及对过去情况的推测要分开。