题目内容

Air pollution is really a big problem here, but nobody knows ________ to do about it.


  1. A.
    if
  2. B.
    how
  3. C.
    what
  4. D.
    whether
C
what作不定式to do的宾语．
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相关题目

It is not such the language ______ the cultural background ______ makes the book difficult to understand．


  1. A.
    but;that
  2. B.
    nor;which
  3. C.
    as;that
  4. D.
    like;which

________ more attention, the trees could have grown better．


  1. A.
    Having being given
  2. B.
    Being given
  3. C.
    Having given
  4. D.
    Given

Make sure that you ________ all the electric appliances before you go to bed．


  1. A.
    switch off
  2. B.
    will switch off
  3. C.
    have switched off
  4. D.
    would switch off

His silence suggested ________ to the plan．


  1. A.
    his not agreeing
  2. B.
    he not agree
  3. C.
    he didn't agree
  4. D.
    his not to agree

The ________ president expressed his satisfaction with the talks, ________ that he had enjoyed his stay here.


  1. A.
    visiting, have added
  2. B.
    visited, to add
  3. C.
    visiting, adding
  4. D.
    visited, added

If I ________ him, I ________ very nervous．


  1. A.
    am, would be
  2. B.
    was, would
  3. C.
    were, should be
  4. D.
    were, would be

The car factory is going to ________ around 200 workers because of the decline in sales．


  1. A.
    lay out
  2. B.
    lay off
  3. C.
    lay on
  4. D.
    lay by

The meeting ________ tomorrow is very important．


  1. A.
    held
  2. B.
    to hold
  3. C.
    to take place
  4. D.
    taken place

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