MN giúp e vs:( à mn viết cả cách làm ra nha e cảm ơn ạ ^^ Write the correct form of the words in brackets. 17. Life in space is really __________ from life on Earth. (DIFFER) 18. In the future, many people will live under the sea; so ___ _______ cities will become popular. (WATER) 19. In some countries, people will live __ _________ in earthscrapers. (GROUND) 20. In the next 20 years, many homes might be smart homes with robot __ ________ to do the chores. (HELP) 21. In the future, many people will live in ____ ______ - cities with a population of over ten million people. (CITY) 22. A(n) ___ ______ house is a house that is good for the environment. (FRIEND)