◎ 题干
— Where is Tom?
— He hasn't come to school today. I think he _____ be ill.

[     ]

A. has to
B. should
C. may
D. need
◎ 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“— Where is Tom? — He hasn't come to school today. I think he ______ be ill. [ ]A. has to B. should C. may D. need …”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。