Be careful when you surf the Internet．If you download a virus into your computer ______, you will not open your files．


  1. A.
    on purpose
  2. B.
    by accident
  3. C.
    at random
  4. D.
    on average

If I ____ more about diamond, I ____ cheated by that man.


  1. A.
    had known, would not be
  2. B.
    had known; wouldn’t have been
  3. C.
    knew; would not have been
  4. D.
    had known; would never be

He failed in the exam ____ his carelessness


  1. A.
    as a result of
  2. B.
    as result
  3. C.
    result from
  4. D.
    result in

Every possible ________ advanced technologies to help people enjoy a better life


  1. A.
    should be made of
  2. B.
    shoule be made use
  3. C.
    use should be made of
  4. D.
    shoule make use of

He traveled to many mountain villages and saw many poor children out of school. This experience _______ his life.


  1. A.
    would change
  2. B.
    had changed
  3. C.
    was to change
  4. D.
    was changing

I know little of my new neighbor____ he comes from the northwest of China.


  1. A.
    expect where
  2. B.
    besides that
  3. C.
    except for which
  4. D.
    except that

Living in the central Australian desert has its problems,______ obtaining water is not the least.


  1. A.
    for which
  2. B.
    to which
  3. C.
    of which
  4. D.
    in which

It worried her a bit that her hair_______ grey.


  1. A.
    was turning
  2. B.
    has turned
  3. C.
    turns
  4. D.
    will turn

Last week I called at my_________.                    .


  1. A.
    aunt
  2. B.
    aunts
  3. C.
    aunt’s
  4. D.
    auntes’

I don’t think you will have any difficulty ______ a driving licence.


  1. A.
    to get
  2. B.
    in getting
  3. C.
    for getting
  4. D.
    get
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