I was doing my homework ________ I heard someone knocking at the door．


  1. A.
    while
  2. B.
    when
  3. C.
    unless
  4. D.
    if

The old lady's hand shook frequently. She explained to her doctor ________ this shaking had begun half a year before, and ________, only because of this, she had been forced to give up her job.


  1. A.
    when; how
  2. B.
    how; when
  3. C.
    how; how
  4. D.
    why; why

At the school gate, I met an old teacher, ________ showed me around the school．


  1. A.
    who
  2. B.
    whose
  3. C.
    that
  4. D.
    which

Great changes ___ in my hometown and a lot of factories _______.


  1. A.
    have been taken place , are being set up
  2. B.
    have taken place , have been set up
  3. C.
    are taken place , had been set up
  4. D.
    had taken place , will be set up

There's dictionary on deskby your side．


  1. A.
    a；the
  2. B.
    a；a
  3. C.
    the; was
  4. D.
    the; the

An accident happened at ____ crossroads a few metres away from ____ bank.


  1. A.
    a; a
  2. B.
    不填；a
  3. C.
    不填；the
  4. D.
    the; 不填

Selectinga mobile phone for personal use is noeasy task because technology so rapidly．


  1. A.
    ischanging
  2. B.
    haschanged
  3. C.
    will havechanged
  4. D.
    will change

The furniture is precious and huge glass windows that can be opened and closed give a ________ of the underwater world．


  1. A.
    view
  2. B.
    sight
  3. C.
    scene
  4. D.
    glimpse

This is the most important thing ________ I have to see to today.


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

Sound travels in the same way as light ________Sound travels in the same way as light ________.


  1. A.
    does
  2. B.
    do
  3. C.
    travel
  4. D.
    traveled
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