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Updated on: 25 Jan 2019, 03:21
Originally posted by daryayurlova on 04 Jan 2011, 14:44.
Last edited by Bunuel on 25 Jan 2019, 03:21, edited 1 time in total.
Last edited by Bunuel on 25 Jan 2019, 03:21, edited 1 time in total.
Renamed the topic and edited the question.
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
(medium)
Question Stats:
60% (01:26) correct
40%
(01:32)
wrong
based on 1075
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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
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
Show SpoilerDoubt
Can anyone explain to me - a variety of smth is singular or plural? Does it matter whether the noun after of is singular or plural? Trying to understand if there is flaw in my logic, or the OA is wrong.
04 Jan 2011, 15:16
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Yes, the number of "a variety of" depends on what comes after the "of." This particular use of "variety", meaning, "a number of different types," will always be paired with a plural noun after the "of" and so it will always end up being plural. A number of words have a similar property -- including, for instance, the phrase "a number of" in this very sentence! The words that could take either singular OR plural form based on what comes after the "of" are Most, Majority, Some, All, and Half. For instance:
"Most of the people here ARE very clever."
"Most of the window IS already broken."
"Half of the sausages ARE poisonous."
"Half of the water HAS already evaporated."
For "variety," again, you'll always see plural words after "of," unless it's a slightly different meaning, such as:
"A variety of bumblebee is noun to attempt pollination of plastic flowers."
However, fear not; I'm fairly certain there is no such bumblebee in real life.
"Most of the people here ARE very clever."
"Most of the window IS already broken."
"Half of the sausages ARE poisonous."
"Half of the water HAS already evaporated."
For "variety," again, you'll always see plural words after "of," unless it's a slightly different meaning, such as:
"A variety of bumblebee is noun to attempt pollination of plastic flowers."
However, fear not; I'm fairly certain there is no such bumblebee in real life.
19 Sep 2011, 10:43
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Clauses are "dependent" or "independent" only based on the presence of a main subject and main verb. Here we have "games aren't," a subject and a verb, neither one subordinated by a relative pronoun, preposition, or subordinating conjunction, so they are a Main Subject and a Main Verb. Later, we have "variety ... has begun," another subject and verb, again Main Subject & Verb because they are not subordinated. Two independent clauses require either a semicolon or a coordinating conjunction (FANBOYS).
Furthermore, the verb cannot be "have" in the second clause; the subject is "variety." Remember, anything following a preposition, such as "of," is NEVER the main subject of anything. "recent studies" is the object of "of," not the subject of "have begun."
In terms of pronouns, pronoun ambiguity only has to do with whether or not there is one clear logical antecedent, agreeing in number with the pronoun. An ambiguous pronoun does not make a sentence "dependent." Take, for example, the following paragraph:
"I am really happy with my GMAT tutor. He is professional and knowledgeable and on time and knows a lot about the test. I am thankful for this, because it is a difficult test."
All three sentences are clearly complete sentences and fully independent clauses. "He" in the second sentence refers to "tutor," and "it" in the third refers to "test." Obviously on the GMAT this never happens, since Sentence Correction only tests single sentences. However, the moral of the story is that, in English grammar, pronouns do not have to have their antecedents in the same sentence or clause.
Furthermore, the verb cannot be "have" in the second clause; the subject is "variety." Remember, anything following a preposition, such as "of," is NEVER the main subject of anything. "recent studies" is the object of "of," not the subject of "have begun."
In terms of pronouns, pronoun ambiguity only has to do with whether or not there is one clear logical antecedent, agreeing in number with the pronoun. An ambiguous pronoun does not make a sentence "dependent." Take, for example, the following paragraph:
"I am really happy with my GMAT tutor. He is professional and knowledgeable and on time and knows a lot about the test. I am thankful for this, because it is a difficult test."
All three sentences are clearly complete sentences and fully independent clauses. "He" in the second sentence refers to "tutor," and "it" in the third refers to "test." Obviously on the GMAT this never happens, since Sentence Correction only tests single sentences. However, the moral of the story is that, in English grammar, pronouns do not have to have their antecedents in the same sentence or clause.
