◎ 题干
I didn’t know Headmaster Weng was away for Beijing. I       to his office yesterday.
A.mustn’t have gone B.needn’t have gone
C.wouldn’t have gone D.couldn’t have gone
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“ I didn’t know Headmaster Weng was away for Beijing. Ito his office yesterday.A.mustn’t have gone B.needn’t have goneC.wouldn’t have gone D.couldn’t have …”主要考查了你对  【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。