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Old November 03, 2009, 02:57 AM
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irmamar irmamar is offline
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Join Date: Apr 2009
Posts: 7,071
Native Language: Español
irmamar is on a distinguished road
Quote:
Originally Posted by Perikles View Post
I have not studied maths for a long time
It has been a long time since I studied maths
A long time has passed since ...

no se puede utilizar since con negativa
OK, I didn't know. Thanks
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