◎ 题干
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.
A.mustn’t leave B.shouldn’t have left C.couldn’t have left D.needn’t leave
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“.We were all waiting for you .You _____for the seaside by yourself without leaving a message.A.mustn’t leaveB.shouldn’t have leftC.couldn’t have leftD.need…”主要考查了你对  【虚拟语气】【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。