◎ 题干
It has been announced recently that all the schools________ not have the students attend school if the
students have high temperatures.
[     ]
A. need  
B. shall  
C. could  
D. ought to
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It has been announced recently that all the schools________ not have the students attend school if the students have high temperatures.[ ]A. needB. shallC. c…”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。