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Comparisons (omit the auxiliar + recognize uncountable noun)

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Manager
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Joined: 22 Jun 2008
Posts: 104

Kudos [?]: 46 [0], given: 1

Schools: Darden School of Business (Class of 2012)
Comparisons (omit the auxiliar + recognize uncountable noun) [#permalink]

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New post 23 Jul 2008, 06:36
Because natural gas is composed mostly of methane, a simple hydrocarbon, vehicles powered by natural gas emit less of certain pollutants than the burning of gasoline or diesel fuel.

(A) less of certain pollutants than the burning of gasoline or diesel fuel
(B) fewer of certain pollutants than burning gasoline or diesel fuel do
(C) less of certain pollutants than gasoline or diesel fuel
(D) fewer of certain pollutants than does burning gasoline or diesel fuel
(E) less of certain pollutants than those burning gasoline or diesel fuel

Guys I think that when you have a pronoun you can omit the auxiliary, can anyone confirm this with proper explanation?
Second, how can we distinguish countable from uncountable nouns? On the one hand, the word pollutants is plural so it must be countable, on the other hand, it seems an ammount not determined. Can someone explain this too? Many tks. in advance. Lw.

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Re: Comparisons (omit the auxiliar + recognize uncountable noun) [#permalink]

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New post 17 Aug 2012, 02:16
so,n1 will explain? :roll:

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Re: Comparisons (omit the auxiliar + recognize uncountable noun)   [#permalink] 17 Aug 2012, 02:16
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Comparisons (omit the auxiliar + recognize uncountable noun)

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