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科目: 來(lái)源: 題型:單選題

Smoking is one of the ________causes of cancer,killing millions of people each year.


  1. A.
    major
  2. B.
    similar
  3. C.
    commercial
  4. D.
    chemical

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科目: 來(lái)源: 題型:單選題

They must try every means to _____ out flies and other insects in the restaurant to guarantee food safety.


  1. A.
    take
  2. B.
    put
  3. C.
    pick
  4. D.
    wipe

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科目: 來(lái)源: 題型:單選題

I’m tired out.I stayed up the whole night, ______ for my midterm math exam.


  1. A.
    studying
  2. B.
    to study
  3. C.
    to be studying
  4. D.
    studied

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科目: 來(lái)源: 題型:單選題

To compete more effectively with others,it is time that university students       to study  abroad after graduation.


  1. A.
    tried
  2. B.
    are trying
  3. C.
    try
  4. D.
    will try

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科目: 來(lái)源: 題型:單選題

What especially impressed us was the way_____the girl studied foreign languages.


  1. A.
    不填
  2. B.
    which
  3. C.
    by which
  4. D.
    how

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科目: 來(lái)源: 題型:單選題

Do you know the reason_____she didn’t attend her boyfriend’s birthday party yesterday??


  1. A.
    why
  2. B.
    which?
  3. C.
    for that
  4. D.
    for why?

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科目: 來(lái)源: 題型:單選題

The men got out and pushed the bus . But it ____ move , not one bit .


  1. A.
    couldn''t
  2. B.
    wouldn''t
  3. C.
    needn''t
  4. D.
    shouldn''t

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科目: 來(lái)源: 題型:單選題

I''m surprised that he ____ to help me when I needed his help .


  1. A.
    should refuse
  2. B.
    would have refused
  3. C.
    should have refused
  4. D.
    may have refused

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科目: 來(lái)源: 題型:單選題

Why ____ you keep troubling your mother with such question while he is busy .


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

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科目: 來(lái)源: 題型:單選題

The reason_____the manager explained at the meeting sounds reasonable.?


  1. A.
    which
  2. B.
    what?
  3. C.
    why
  4. D.
    for which ?

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