◎ 题干
—Who's that boy reading in the garden? Is it David?
—It _____ be David. I saw him in the classroom just now.

[     ]

A. must
B. can't
C. may
D. shouldn't
◎ 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“—Who's that boy reading in the garden? Is it David?— It _____ be David. I saw him in the classroom just now. [ ]A. must B. can't C. may D. shouldn't …”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。