◎ 题干
They are practicing ________ now. You can wait here.

[     ]

A. swimming
B. going swimming
C. to go swimming
D. to swim
◎ 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“They are practicing ________ now. You can wait here. [ ]A. swimming B. going swimming C. to go swimming D. to swim …”主要考查了你对  【动名词】  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。