◎ 题干
Who's that boy __________ a bike over there?
[     ]
A. riding
B. rides
C. to ride
D. rode
◎ 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“Who's that boy __________a bike over there?[ ]A. ridingB. ridesC. to rideD. rode…”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。