【题目】—Tony _______ what I did annoying though he didn’t say anything.
—So you think you will have to make an apology?
A. could find B. should have found
C. might find D. must have found
在线课程【答案】D
【解析】
考查情态动词+完成式。句意：—Tony一定觉得我做的事很烦人，尽管他什么也没说。—所以你认为你得道歉?此处是对过去事情有把握的推测，must have done“一定是做某事了”，故选D。