◎ 题干
— What are they doing?
— They are ______________. 

[     ]

A. play
B. talk
C. laughing
◎ 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“— What are they doing?— They are ______________.[ ]A. playB. talkC. laughing…”主要考查了你对  【现在进行时,现在分词】  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。