To develop more accurate population forecasts, demographers : GMAT Sentence Correction (SC)
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# To develop more accurate population forecasts, demographers

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To develop more accurate population forecasts, demographers [#permalink]

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24 Nov 2005, 16:40
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8.To develop more accurate population forecasts, demographers have to know a great deal more than now about the social and economic determinants of fertility.

A.have to know a great deal more than now about the social and economic
B.have to know a great deal more than they do now about the social and economical
C.would have to know a great deal more than they do now about the social and economical
D.would have to know a great deal more than they do now about the social and economic
E.would have to know a great deal more than now about the social and economical
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24 Nov 2005, 17:56
D.
economical vs ecomomic
"would have" is correct to express future condition.
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24 Nov 2005, 20:56
D it is: as already explained ... correct uses is "economic".
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24 Nov 2005, 23:08
Duttsit zeroed in on the concept being tested here.

Unquestionably, (D)
24 Nov 2005, 23:08
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