They did everything they could _________ the factories from pouring dirty water into the river.


  1. A.
    stop
  2. B.
    stopped
  3. C.
    to stop
  4. D.
    stopping

He failed many times, but he _______ .


  1. A.
    kept on trying
  2. B.
    kept on to try
  3. C.
    keeps on tried
  4. D.
    kept on tried

I kept _______ the football match.


  1. A.
    to think about
  2. B.
    thinking about
  3. C.
    to think for
  4. D.
    thinking for

He preferred _______ computer game to _______ TV.


  1. A.
    play; watch
  2. B.
    playing; watch
  3. C.
    playing; watching
  4. D.
    to play; watch

________of the surface（表面）of the earth is covered with water.


  1. A.
    First fourth
  2. B.
    Three fourths
  3. C.
    One four
  4. D.
    Three four

It's twelve o'clock at night, but Mr. Zhang is ________ working in the office.


  1. A.
    already
  2. B.
    ever
  3. C.
    still
  4. D.
    yet

They haven't taken any measures ________ the flood so far.


  1. A.
    stopped
  2. B.
    to stop
  3. C.
    stopping
  4. D.
    to stopping

_________the strong wind, they had to shut up all the windows.


  1. A.
    Because of
  2. B.
    Because
  3. C.
    Thanks to
  4. D.
    Thanks

Next Sunday, my family will go to ________ for dinner．


  1. A.
    my grandparents home
  2. B.
    my grandparent' home
  3. C.
    my grandparents' home
  4. D.
    my grandparent home

What would you do ________ more cookies?


  1. A.
    sell
  2. B.
    selling
  3. C.
    will sell
  4. D.
    to sell
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