【题目】Marie witnessed everything but it is amazing that she______ have said nothing about the murder.
A. should B. may C. must D. can
在线课程【答案】A
【解析】
试题分析:考查情态动词。A. should应该; B. may可能; C. must必须; D. can 可能; 句意:Marie目击了一切但令人吃惊的是她对于谋杀什么也没有说。Should have done本应该做某事,故选A项;
考点 : 考查情态动词