The question of ________ first saw the continent of America is still unsettled.


  1. A.
    the person
  2. B.
    who
  3. C.
    whoever
  4. D.
    whom

Just as sound travels through the air in waves, so electricity travels through the air in ________ radio waves.


  1. A.
    we call
  2. B.
    we call it
  3. C.
    what we call it
  4. D.
    what we call

The noise turned out to be the dog ________ at the door.


  1. A.
    scratching
  2. B.
    scratch
  3. C.
    to scratch
  4. D.
    scratched

That lunch did not ________ with me; I felt uncomfortable.


  1. A.
    suit
  2. B.
    fit
  3. C.
    agree
  4. D.
    favour

The doorway is low, so ________ your head when you go in.


  1. A.
    notice
  2. B.
    observe
  3. C.
    mind
  4. D.
    attend

An accident ________ when he was crossing the street.


  1. A.
    took place
  2. B.
    took the place
  3. C.
    has taken place
  4. D.
    was taking place

We appeal to all countries to ________ cooperation on climate change, food security and the prevention of natural disasters．


  1. A.
    build up
  2. B.
    put on
  3. C.
    show off
  4. D.
    hold out

No matter what you say of him, I still think much of him, or else I ________ him to do that．


  1. A.
    won’t allow
  2. B.
    hadn’t allowed
  3. C.
    wouldn’t be allowed
  4. D.
    wouldn’t have allowed

A group of tourists reached a remote small village, at the west end of which ________, and expected to meet a countryman．


  1. A.
    stood an old temple
  2. B.
    standing an old temple
  3. C.
    did an old temple stand
  4. D.
    an old temple stood

If not ________, you can return everything on the spot and no further duties when you purchase goods at www．amazon．cn．


  1. A.
    to satisfy
  2. B.
    being satisfied
  3. C.
    satisfied
  4. D.
    satisfying
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