Read the text and fill in the gaps with the correct form of the given words

An amazing future: flying cars, human robots, voice-controlled houses, personal virtual assistants, [ ] food made "out of air", printed human organs, space travels for everyone... Do you think that these things can be only in fantastic stories? It was true a long time ago but … not anymore! We already have Sophia, the [ ] human-like robot that can show more than 60 emotions and answer simple questions. 3D [ ] can make almost everything: from a simple pen to a whole house. There are a lot of people who have smart houses. We can control the gadgets and [ ] there with the help of a smartphone. You can even buy a car which doesn't need … a [ ]. So, maybe, soon we will be able to buy space travel to the moon? Who knows...