Complete the sentence with the best option: I hope (automated technology / urban farming) catches on in our city. I'd love to grow my own food.
urban farming
Complete the sentence with the best option: If there are not enough livable areas in New York, I might move to a (metropolis / residential) area in the suburb.
residential area
Complete the sentence with the best option: Some (megacities / city dwellers) are now so overcrowded that residents are leaving.
megacities
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