I believe people will spend (++) time on the internet.
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Scientists say people will probably eat (--) fresh food.
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I believe there will be (++) technology everywhere.
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People say there will be (--) young people.
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There will be (--) schools and teachers.
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I hope we will have (--) homeless people in the future.
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There will be (--) petrol vehicles.
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The Earth will certainly have (--) natural resources.
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I hope there won't be (--) trees in the future.
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Hopefully, there will be (--) crime and (--) criminals in the future.
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People say there will be (--) wild animals on the planet.
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People will have (--) free time.
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There will certainly be (--) farmland.
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Scientist say there will be (--) women and (++) men.
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I believe couples will have (--) kids.
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