III. WORD FORMATION

III. WORD FORMATION

Write the correct form of the words in brackets.

17.  Life in space is really [color1] from life on Earth. (DIFFER)

18.  In the future, many people will live under the sea; so [color2] cities will become popular. (WATER)

19.  In some countries, people will live [color3] in earthscrapers. (GROUND)

20.  In the next 20 years, many homes might be smart homes with robot [color4] to do the chores. (HELP)

21.  In the future, many people will live in [color5] - cities with a population of over ten million people.(CITY)

22.  A(n) [color6] house is a house that is good for the environment. (FRIEND)