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doing怎么读,doing什么意思

what are you doing 用英语怎么回?
what are you doing 用英语怎么回?what is he doingppt_word文档在线阅读与下载_免费
what is he doingppt_word文档在线阅读与下载_免费what are they doing? 他们正在干什么?
what are they doing? 他们正在干什么?whatareyoudoing
whatareyoudoingwhat is she doing? 她正在干什么? she is sweep ing the floor.
what is she doing? 她正在干什么? she is sweep ing the floor.
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