题目内容
【题目】Judging from his worried face, we knew that he ______ have had some trouble.
A. wouldB. willC. needD. must
【答案】D
【目的】
【解析】句意:从他焦虑的表情上判断,我们知道他一定已经遇到一些麻烦了。考查情态动词的用法。must + have +过去分词表示对过去事实的肯定推测,根据主句谓语动词knew判断是过去事实。故选D。
练习册系列答案
相关题目