英语 高二 词汇题 较难

情态动词推测用法 — 英语词汇题

沪教版·英语(高中) Unit 3 The way we are AI 三重审校通过

题目
During the entire in-person meeting, the verified live video feed showed Leo at a hospital in another city, and the hospital record confirmed he stayed there. He ______ have attended the meeting in person. Choose the best answer: must, may, or can’t.