He often helps the students __________ he thinks are not quick at their studies.


  1. A.
    whom
  2. B.
    who
  3. C.
    when
  4. D.
    because

This is the very book ________ I want to read．


  1. A.
    that
  2. B.
    which
  3. C.
    it
  4. D.
    with which

The space station spins slowly in ________ space to imitate ________ pull of the earth’s gravity


  1. A.
    the; /
  2. B.
    /; the
  3. C.
    /; /
  4. D.
    the; the

As far as I know, he is seldom, ______, absent from school.


  1. A.
    if any
  2. B.
    if so
  3. C.
    if ever
  4. D.
    if not

In America, turkey is served as the main course on special ______.


  1. A.
    occasions
  2. B.
    situations
  3. C.
    positions
  4. D.
    scenes

Some people argue that both the government and the milk producers are __________ for the deathof the babies．


  1. A.
    blamed
  2. B.
    blaming
  3. C.
    to be blamed
  4. D.
    to blame

It is always the mouth __________ talks too much __________ causes troubles．


  1. A.
    that; what
  2. B.
    which; what
  3. C.
    that; that
  4. D.
    which; which

I asked him ________ he stayed．


  1. A.
    the place where
  2. B.
    where
  3. C.
    which
  4. D.
    the place in which

________ is known to us all, good friends ________ our happiness．


  1. A.
    It; add
  2. B.
    As; add
  3. C.
    It; add to
  4. D.
    As; add to

We should take the influence of the climate ________ agricultural production into account．


  1. A.
    on
  2. B.
    by
  3. C.
    in
  4. D.
    wish
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