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ong
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Almost the only evidence of the presence of human beings on 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 :-D but becareful na



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gotoknow3
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Almost the only evidence of the presence of human beings on 07 Nov 2005, 12:20
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Eliminate A,B, E because of 'are' as evidence is singular
Between C & D
I pick D
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sandalphon
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Almost the only evidence of the presence of human beings on 07 Nov 2005, 12:25
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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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automan
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Almost the only evidence of the presence of human beings on 07 Nov 2005, 12:53
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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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christoph
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Almost the only evidence of the presence of human beings on 07 Nov 2005, 13:02
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IMO its C)...b/c "more than" and "period of" are idiomatic...
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aiming
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Almost the only evidence of the presence of human beings on 07 Nov 2005, 13:06
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christoph
IMO its C)...b/c "more than" and "period of" are idiomatic...
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Doesn't "years" imply duration? So I wouldn't count it with "more", but it should be "longer".
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vc019
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Almost the only evidence of the presence of human beings on 08 Nov 2005, 02:27
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A,D,E - Incorrect.
Between B & C. It should be C Usage '...evidence.....is vast....'

What is the OA?
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ong
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Almost the only evidence of the presence of human beings on 11 Nov 2005, 14:46
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OA is C
you right "gotoknow3"



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