◎ 题干
选择填空。
"What are they doing? They are ______ computer games."
[      ]
A.play
B.to play
C.playing
◎ 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“选择填空。"What are they doing? They are ______ computer games." [ ]A.play B.to play C.playing …”主要考查了你对  【实义动词的现在分词】【现在进行时】  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。