Question

Answer 1

2 I think a few people will live underground

3 I think a few people will live under the sea

4 I think some people will live in earthscrapers

5 I don't think lots of people will live in eco-friendly homes

Answer 2

b.

2 in megacities

3 smart homes under the sea

4 eco-friendly homes by a river

5 smart homes under the sea