◎ 题干
He can't meet his friends tonight because he _____  do homework.                 

A. has to                  
B. need                  
C. have to                  
D. don't have to

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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He can't meet his friends tonight because he _____ do homework.[ ]A. has to B. needC. have toD. don't have to …”主要考查了你对  【主谓一致】【固定搭配】  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。