Boost vs heighten vs lift

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micaelo

Junior Member
Joined
Sep 2, 2006
Member Type
English Teacher
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
 

oregeezer

Member
Joined
Nov 24, 2007
Member Type
English Teacher
Native Language
American English
Home Country
United States
Current Location
Thailand
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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