• 1. He is doing homework: 他正在做作业 | 他正在做家庭作业
• 2. He is doing homework trouble: 他做家庭作业麻烦
• 3. He is doing his homework: 他正在做家庭作业 | 名词 | 他正在做功课 | 动作进行中

• 1.Dave is a good boy and he always finishes doing his homework on time.
  戴夫是个好孩子，他总是按时完成作业。
  dict.yoduao.com
• 2.Is he doing his homework?
  他正在做他的家庭作业吗？
  dict.yoduao.com
• 3.He is doing his homework.
  他正在做他的家庭作业。
  dict.yoduao.com

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