___ in very good spirits, he worked harder than before.


  1. A.
    have built
  2. B.
    to build
  3. C.
    to be built
  4. D.
    to have been built

Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more.


  1. A.
    while
  2. B.
    or
  3. C.
    for
  4. D.
    so

 I really can’t decide _____ first. A small computer or a big one?


  1. A.
    what to buy
  2. B.
    to buy what
  3. C.
    which to buy
  4. D.
    to buy which

He is very ______, so he can make up many interesting stories.


  1. A.
    imaginative
  2. B.
    imagining
  3. C.
    imaginary
  4. D.
    imaginatively

Why don’t you bring         to his attentionthatyooaret00illtogo On working?


  1. A.
    One
  2. B.
    it
  3. C.
    that
  4. D.
    this

______ a good insulator(绝缘体) , rubber is often used in cables.


  1. A.
    Having been
  2. B.
    To be
  3. C.
    Be
  4. D.
    Being

For a long time they walked without saying ___word . Jim was the first t break _____silence


  1. A.
    the, a
  2. B.
    a ,the
  3. C.
    a ,/
  4. D.
    the,/

Despite such a big difference in ________ towards what one eats, there is no doubt that people in the west regard the Chinese food as something special.


  1. A.
    point
  2. B.
    idea
  3. C.
    attitude
  4. D.
    sight

His suggestion that a new teaching method ______ to arouse students’ interest in study is necessary.


  1. A.
    is adopted
  2. B.
    be adopted
  3. C.
    will be adopted
  4. D.
    adopt

You ______ further into this matter. If so, you ______ know who did it now.


  1. A.
    must have enquired; will
  2. B.
    should have enquired; would
  3. C.
    could have enquired; will
  4. D.
    shouldn’t have enquired; would
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