◎ 题干
My new issue of Twenty-first Century School Edition has disappeared. Who _____ have taken it?
[     ]
A. should
B. must
C. could
D. would
◎ 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“My new issue of Twenty-first Century School Edition has disappeared. Who _____ have taken it? [ ]A. should B. must C. could D. would …”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。