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# Almost the only evidence of the presence of human beings on

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Manager
Joined: 08 Oct 2005
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Almost the only evidence of the presence of human beings on [#permalink]

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07 Nov 2005, 11:43
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Almost the only evidence of the presence of human beings on the earth for a period longer than half a million years are vast quantities of stone tools.

A. longer than half a million years are
B. of more than half a million years are
C. of more than half a million years is
D. lasting longer than half a millioin years is
E. of longer than half a million years are
----------
it's easy but becareful na

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Manager
Joined: 28 Jun 2005
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07 Nov 2005, 12:20
Eliminate A,B, E because of 'are' as evidence is singular
Between C & D
I pick D

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Manager
Joined: 05 Nov 2005
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Location: Germany
Re: SC# evidence of the presence of human [#permalink]

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07 Nov 2005, 12:25
I prefer D.

vast quantities requires the verb are so C and D are out. Of should be included (parallelism) and more is correct.

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Director
Joined: 09 Jul 2005
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07 Nov 2005, 12:53
According to the subject of the main clause, A,B and E should be left out. Between C and D, I choose D. The underlined part of the sentence is modifying the noun period. I think D is better to express the idea that pediod lasted more than half a million years.

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VP
Joined: 30 Sep 2004
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07 Nov 2005, 13:02
IMO its C)...b/c "more than" and "period of" are idiomatic...
_________________

If your mind can conceive it and your heart can believe it, have faith that you can achieve it.

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Intern
Joined: 20 Sep 2005
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Duration: more vs longer [#permalink]

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07 Nov 2005, 13:06
christoph wrote:
IMO its C)...b/c "more than" and "period of" are idiomatic...

Doesn't "years" imply duration? So I wouldn't count it with "more", but it should be "longer".

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Senior Manager
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08 Nov 2005, 02:27
A,D,E - Incorrect.
Between B & C. It should be C Usage '...evidence.....is vast....'

What is the OA?

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Manager
Joined: 08 Oct 2005
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11 Nov 2005, 14:46
OA is C
you right "gotoknow3"

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11 Nov 2005, 14:46
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# Almost the only evidence of the presence of human beings on

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