By 2025,scientists predict the world will have 7.8billion people.变成一般疑问句!

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By2025,scientistspredicttheworldwillhave7.8billionpeople.变成一般疑问句!By2025,scientistspredicttheworldwil

By 2025,scientists predict the world will have 7.8billion people.变成一般疑问句!
By 2025,scientists predict the world will have 7.8billion people.变成一般疑问句!

By 2025,scientists predict the world will have 7.8billion people.变成一般疑问句!
Does scientists predict the world will have 7.8 billion people by 2025?
俊狼猎英不懂追问!