7. a. Think of some more things that will change in cities of the future. Use Future Simple Passive (+ / -) to describe them. Use the ideas from the box. Can you add any ideas of your own? Example: Parks will be built on the roofs of houses. Help box / to motorways / to build underground, flying cars / use, 1000-storey skyscrapers / to build, cities / to create on other planets, entertainment facilities / to replace by VR (virtual reality), cars / to drive by robots, energy / to produce from food, factories and plants / not to build, all rubbish / to recycle 70