We must pay attention to ________ that we should make ________ natural resources．


  1. A.
    the use; of
  2. B.
    use; of
  3. C.
    the uses; about
  4. D.
    the use;/

It will cost a lot of time．________, I think we shall need it and it will certainly be useful to us ________．


  1. A.
    What’s more; sooner or later
  2. B.
    As a result; now and then
  3. C.
    After all; here and there
  4. D.
    At the same time; more or less

Many difficulties have ______ as a result of the changeover to a new type of fuel.


  1. A.
    risen
  2. B.
    arisen
  3. C.
    raised
  4. D.
    arose

________ the Internet is bridging the distance between people, it may also be breaking some families or will cause other family problems．


  1. A.
    When
  2. B.
    While
  3. C.
    If
  4. D.
    Since

The professor ________ at the meeting will give us a lecture next week.


  1. A.
    referred
  2. B.
    referred to
  3. C.
    referring
  4. D.
    referring to

The children were not ________ for the accident．


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

Those ________ killing the animals which are protected by the country will be sentenced to death in 5 days．


  1. A.
    are accused of
  2. B.
    accused of
  3. C.
    are accused for
  4. D.
    accused for

________，he never seems able to do the work beautifully


  1. A.
    Try as he does
  2. B.
    as he tries
  3. C.
    Try as does he
  4. D.
    As he does try

You ________have told him the bad news，which made things even worse．


  1. A.
    shouldn't
  2. B.
    needn't
  3. C.
    couldn't
  4. D.
    wouldn't

This is an illness that can result in total blindness ________ left untreated.


  1. A.
    after
  2. B.
    if
  3. C.
    since
  4. D.
    until
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