When you are using gas, ________ that one of the windows is open.


  1. A.
    be sure
  2. B.
    make sure
  3. C.
    check
  4. D.
    B or C

All the things in the room were ________, but she quickly ________ them ________.


  1. A.
    in order; put; in order
  2. B.
    on order; place; in order
  3. C.
    out of order; put; in order
  4. D.
    by order; place; in order

Was it in 1969 _____ the American astronaut succeeded_____ landing on the moon?


  1. A.
    when；on
  2. B.
    that；on
  3. C.
    when；in
  4. D.
    that：in

One of the best ways for people to keep fit is to ________ healthy eating habits.


  1. A.
    grow
  2. B.
    develop
  3. C.
    increase
  4. D.
    raise

A survey was carried out on the sleep time of students in middle schools, ________ were surprising．


  1. A.
    its results
  2. B.
    whose result
  3. C.
    the results of which
  4. D.
    of which results

________ you look at the painting, ________ you’ll like it．


  1. A.
    The long;the much
  2. B.
    The longer;the more
  3. C.
    Longer;more
  4. D.
    Long;much

Such a great event ________ that it attracted governments and people from across the world to Shanghai．


  1. A.
    was World Expo 2010
  2. B.
    World Expo 2010 was
  3. C.
    has World Expo 2010 been
  4. D.
    World Expo 2010 has been

We think it necessary to prevent sound ________，as it is getting more and serious．


  1. A.
    position
  2. B.
    pollution
  3. C.
    invention
  4. D.
    condition

Cathy bought ________ eggs in the market yesterday．


  1. A.
    two dozen
  2. B.
    two dozens
  3. C.
    two dozen of
  4. D.
    dozen of

She collected ________ I did for the Hope Project the other day．


  1. A.
    three times as many money as
  2. B.
    three times much money than
  3. C.
    three times more money than
  4. D.
    three times many more money
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