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Contrary to popular belief, video games aren t just for

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Contrary to popular belief, video games aren t just for [#permalink] New post 14 Dec 2011, 08:49
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Contrary to popular belief, video games aren‘t just for killing an idle Thursday evening,
in fact, a variety of recent studies have begun to demonstrate their teaching potential.
A. video games aren‘t just for killing an idle Thursday evening, in fact, a variety
of recent studies have begun to demonstrate
B. video games aren‘t just to kill an idle Thursday evening, but a variety of
recent studies, in fact, have begun to demonstrate
C. video games aren‘t just for killing an idle Thursday evening; in fact, a variety
of recent studies has begun to demonstrate
D. video games aren‘t just for killing an idle Thursday evening; in fact, a
variety of recent studies have begun to demonstrate
E. video games aren‘t just for killing an idle Thursday evening, and a variety of
recent studies have begun in demonstration of

Should 'a variety of' have verb for the object after 'of'? I chose C which was not OA!
Please explain!
Thanks!!
[Reveal] Spoiler: OA

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Re: SC Grail Q61 'a variety of' [#permalink] New post 14 Dec 2011, 09:32
Option C has Subject-Verb error.

video games aren‘t just for killing an idle Thursday evening; in fact, a variety
of recent studies has begun to demonstrate
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Re: SC Grail Q61 'a variety of' [#permalink] New post 14 Dec 2011, 09:44
a variety of QUANTITY (plural/singular) should go with verb (plural/singular) like minority or majority. Moreover, the semicolon is necessary. Actually, I miss the colon. So, I choose A (wrong) instead of D.

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Re: SC Grail Q61 'a variety of' [#permalink] New post 14 Dec 2011, 11:25
apply SANAM rule here i.e focus on prepositional phrase here " a variety of recent studies" ,so recent studies is plural so plural verb "have" is correct here
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Re: SC Grail Q61 'a variety of' [#permalink] New post 14 Dec 2011, 12:35
IMO D.

The semicolon is required here. The latter half of the sentence introduces an independent clause. The semicolon provides the proper punctuation.
Conjunctions in options B and E are wrong.
Option A is wrong because of the comma.
Between C and D, the subject-verb agreement error has to be caught.
In C, the subject and the verb do not agree. It seems to indicate that the variety itself has begun to demonstrate. This is nonsensical.

Thus option D, which uses the proper subject-verb and the semicolon, is correct.
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Re: SC Grail Q61 'a variety of' [#permalink] New post 14 Dec 2011, 16:29
C has a singular verb, which doesn't agree with studies.........so D should be the answer
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Re: SC Grail Q61 'a variety of' [#permalink] New post 15 Dec 2011, 03:24
tuanquang269 wrote:
a variety of QUANTITY (plural/singular) should go with verb (plural/singular) like minority or majority. Moreover, the semicolon is necessary. Actually, I miss the colon. So, I choose A (wrong) instead of D.

Nice question. Kudos for you :D



Thanks to all the guys, I got the point! But I can't see the kudos incremented :wink:
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Re: SC Grail Q61 'a variety of' [#permalink] New post 27 Dec 2011, 22:12
acdbe2003 wrote:
Why not A???

A is wrong because the semicolon is required here after "Thursday evening". The reason is simple: the "in fact" introduces an entirely different clause independent of the previous clause; thus the sentence actually consists of two independent clauses joined by the semicolon. That is why A is wrong.

In D, the correct answer, the semicolon is properly used, making it clear that two independent clauses are joined.

Hope this helps.
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Re: SC Grail Q61 'a variety of' [#permalink] New post 28 Dec 2011, 00:44
D. a semi colon is needed for the independent clause. also S-V error is fixed.
Re: SC Grail Q61 'a variety of'   [#permalink] 28 Dec 2011, 00:44
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