4 Rewrite these sentences to make them passive. Include by ... to say who or what carries out the action.In the house of the future:1 your fridge will order your food online.your food will be ordered online by your fridge.2 the sun will provide most of your electricity.3 robots will clean all the rooms.4 your smartphone will operate the lights.5 machines will prepare all of your food.6 a computer will control the temperature in every room.​