◎ 题干
She _____ know the answer, but I'm not sure.   
[     ]
A. maybe
B. may be
C. may
D. must
◎ 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“She _____ know the answer, but I'm not sure. [ ]A. maybeB. may be C. may D. must …”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。