Air pollution, together with littering, ____ many problems in our large industrial cities today.


  1. A.
    causes
  2. B.
    cause
  3. C.
    caused
  4. D.
    causing

Toddy couldn’t clearly remember the exact date of the bus accident, but he knew it was______ Sunday because everybody was at _______church．


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

The North Pole is ____ all the white snow here and there all the year round.


  1. A.
    full of
  2. B.
    fill with
  3. C.
    covered by
  4. D.
    covered with

He comes late sometimes,     ?


  1. A.
    isn’t he
  2. B.
    comes he
  3. C.
    doesn’t he
  4. D.
    is he

Don’t smoke in the meeting room,      you?


  1. A.
    do you
  2. B.
    will you
  3. C.
    would
  4. D.
    can

There is a beautiful lake in this city,______ ?


  1. A.
    isn’t it
  2. B.
    isn’t there
  3. C.
    is it
  4. D.
    hasn’t it

New trucks are widely used in the countryside ______ in the city.


  1. A.
    as well
  2. B.
    both and
  3. C.
    also
  4. D.
    as well as

Little did he care about his own safety,_______he was in danger himself.


  1. A.
    if
  2. B.
    though
  3. C.
    since
  4. D.
    because

The book about environment ______ the importance of protecting the earth.


  1. A.
    starts
  2. B.
    states
  3. C.
    tells
  4. D.
    says

If Joe's wife won't go to the party, ________.


  1. A.
    he will either
  2. B.
    neither will he
  3. C.
    he neither will
  4. D.
    either he will
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