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# Idioms test #30

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Intern
Joined: 22 Dec 2010
Posts: 4
Location: San Jose

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08 Mar 2011, 13:30
* The average price has risen at least 1 cent per gallon per day for eight consecutive days to $2.952, 10 cents as much as a week ago. * The average price has risen at least 1 cent per gallon per day for eight consecutive days to$2.952, 10 cents more than that of a week ago.
* The average price has risen at least 1 cent per gallon per day for eight consecutive days to $2.952, 10 cents more from a week ago. * All of the above * None of the above B is the answer. hmm. Is of required in B? Intern Joined: 10 Feb 2011 Posts: 49 Re: Idioms test #30 [#permalink] ### Show Tags 04 Jun 2011, 12:05 rveeraga wrote: * The average price has risen at least 1 cent per gallon per day for eight consecutive days to$2.952, 10 cents as much as a week ago.
* The average price has risen at least 1 cent per gallon per day for eight consecutive days to $2.952, 10 cents more than that of a week ago. * The average price has risen at least 1 cent per gallon per day for eight consecutive days to$2.952, 10 cents more from a week ago.
* All of the above
* None of the above

B is the answer. hmm. Is of required in B?

I believe that "of" is necessary to compare the average price of last last week with the average price of today.

Instead of writing 10 cents more than the average price of a week ago, the author has written 10 cents more than that of a week ago. That is the pronoun of average price. You still need an of to 'connect' that to a 'week ago'.

If it still does not make sense, write 'average price' instead of 'that' in the sentence and you will see that the 'of' is needed.
Re: Idioms test #30   [#permalink] 04 Jun 2011, 12:05
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# Idioms test #30

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