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Jiangyueming Posted 14 years ago
Grammar

Can you tell me why choose D not A? Thank you!

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 economic
  

Top answer

There's no such thing as "more than now", that's what A and E seem to be saying, so they can't be right. CJ

  • There's no such thing as "more than now", that's what A and E seem to be saying, so they can't be right.
  • CJ
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3 Answers
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There's no such thing as "more than now", that's what A and E seem to be saying, so they can't be right.

CJ
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What if I say "more than before"? Is it correct?
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jiangyuemingWhat if I say "more than before"? Is it correct?
It's correct enough in casual settings, but I don't think it's correct enough for a test situation. In a test situation I think they want you to use a pronoun subject and use the dummy verb 'do'.

CJ

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