What will homes be like by the year 2050? What ...... (improve) will there be in the general standard of living? Forget about entering the house with a key ....... (admit) will only be possible with a ...... ( person) card. It will be of no ...... (important) if you leave lights or heaters on when you go out. They will be ..... (automatic) switched off. The (safe) ...... of your house will not be a problem. ......... (protect) against fire and tintruder will be guaranteed. Doing the shopping, going to the bank, talking and seeing people on the other side of the world without leaving home will all be possible due to the ..... (exist) of 21st century technology. Each home will have a ......(centre) computer controlling all sort of ...... (practice) devices that will make life easier and more comfortable.