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風雨飘零
您好，应该是“What are they doing?”。谢谢采纳。
馋死宝宝啦
what are they doing.
猫妖梦懿
what are they doing
阿布kingnine
What are their doing ？
幼幼熙熙
What are they doing
花花要减肥
what are they doing....在英语语法上是对的，而且比较严谨！！其实说what they are doing..也可以啊，一般在口语就可以这么说。
香蕉君诶嘿嘿
What are they doing now?
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