◎ 题干
Look! They all _____ a ball in their hands.      
[     ]
A. are having
B. having
C. has
D. have
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Look! They all _____ a ball in their hands.[ ]A. are havingB. having C. hasD. have…”主要考查了你对  【一般现在时】【主谓一致】  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。