—Did Jim e?
—I don’t know. He while I was out.
A. might have e
B. might e
C. mush have e
D. should have e
网友回答
(答案→)A. might have e
B. might e
C. mush have e
D. should have e
解析：考查情态动词。根据句中有关时态可知“他来”发生在过去，故排除B；根据 I don’t
know 可知选项C语气太肯定，不合适；选项D的意思是“本来应该来”，与语境不合。