★ Complete the text with the necesssary word. There are two extra words.
Companies have been showing off their latest consumer gadgets at a trade show in Las Vegas. Amongst all the drones and cars and wearable technology, there were some interesting innovations for the home. Like the \(1\) ... that connects to the Internet, so you can control your wash programme remotely. Or a \(2\) ... that can be linked to a thermostat so the washing up gets done when energy costs are lowest. Or what about a fridge with a \(3\) ... on the door so you can order your groceries and a smart \(4\) ... inside that can show you what’s in it while you’re out shopping? And at the cheaper end of the market there’s a robot that will clean your grill for you, although demonstrations revealed one \(5\) ... , which was that the grill has to cool down before it will work. It’s hard to predict which of these will survive the test of time, but there’s plenty going on in the world of technology.