More computers will be ________ by the new companies.


  1. A.
    produced
  2. B.
    introduced
  3. C.
    found
  4. D.
    built

The problem is not easy. It took him ________ three hours to work it out.


  1. A.
    at most
  2. B.
    at least
  3. C.
    at much
  4. D.
    at many

She often spends four hours ________ TV every day.


  1. A.
    watch
  2. B.
    to watch
  3. C.
    watching
  4. D.
    on watching

What the teacher said at the meeting ________ very helpful to us．


  1. A.
    turned to
  2. B.
    turned from
  3. C.
    turned out
  4. D.
    turned up

No matter what others might say, Einstein ________ his theory and ________ his research work．


  1. A.
    stuck to; went on
  2. B.
    stuck out; went on doing
  3. C.
    stuck to; went on with
  4. D.
    stuck out; went on with

I don’t think that he has done such a stupid thing, ________?


  1. A.
    do I
  2. B.
    hasn’t he
  3. C.
    don’t I
  4. D.
    has he

He has formed a good learning habit, ________ of great importance to study．


  1. A.
    which I think it
  2. B.
    which I think it is
  3. C.
    that I think is
  4. D.
    which I think is

Last night he was caught ________ a heavy rain on his way home.


  1. A.
    by
  2. B.
    in
  3. C.
    with
  4. D.
    up

Most of that country’s external debt is ________ private banks．


  1. A.
    owed to
  2. B.
    owing to
  3. C.
    owed for
  4. D.
    owing for

They could only read such stories________ had been rewritten in simple English.


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