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  1. #1
    Join Date
    Sep 2006
    Posts
    90

    Boost vs heighten vs lift

    In the following multiple-choice exercise:
    The mailing list has done much to ... the numbers of people attending.
    A lift B encourage C heighten D boost
    I know the correct answer is "boost" but I was wondering what makes "lift" and "heighten" incorrect, as they also mean "increase". Thank you

  2. #2
    oregeezer's Avatar
    oregeezer is offline Member
    • Member Info
      • Member Type:
      • English Teacher
      • Native Language:
      • American English
      • Home Country:
      • United States
      • Current Location:
      • Thailand
    Join Date
    Nov 2007
    Posts
    347

    Re: Boost vs heighten vs lift

    I think your running into idiomatic phrases. As a life-long speaker of English I would choose "boost" as the most natural co-location. All of the words can be used, but the intructions probaly ask for "the best" expression.

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