With a modal auxiliary: John keeps changing his jobs and moving

分类: 英语语法(00831) 发布时间: 2024-08-22 09:41 浏览量: 1
With a modal auxiliary: John keeps changing his jobs and moving from place to place. He ________ be a restless person.
【正确答案】:must
【题目解析】:肯定推测,用must be ,must have done, must be doing