◎ 题干
— Do you hear the noise outside?       
— Yes. There must be some kids _____ outside.
[     ]
A. have fun
B. has fun
C. to have fun
D. having fun
◎ 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“— Do you hear the noise outside? — Yes. There must be some kids _____ outside. [ ]A. have fun B. has funC. to have fun D. having fun …”主要考查了你对  【分词】  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。