4. what will life be like in 100 years’ time? make sentences using will or won’t in future simple. 1) voice-activated computers/help run our houses (✓) 2) people/commute to work in flying cars (✓) 3) people/use fossil fuels (✗) 4) people/pay for things in cash (✗) 5) people /do all their shopping online. (✓) 6) people/wear spray-on clothes. (✓)