QUYỀN THAM GIA

PART 3. Word Formation (6 questions)

Write the correct form or compound of the words in brackets.

17.  Life in space is really ___________ from life on Earth. (DIFFER)

18.  In some countries, people will live ___________ in earthscrapers. (GROUND)

19.  In the next 20 years, many homes might be smart homes with robot ___________ to do the chores. (HELP)

20.  In the future, many people will live under the sea; so ___________ cities will become popular. (WATER)

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)