Duolingo es la forma más popular de aprender idiomas en el mundo. ¡Mejor aún es 100% gratis!

https://www.duolingo.com/nudf

Thanks a lot!!

Dear Duolingo,

I really appreciate this free app. I´ve been learning English for years and someone should have created it before .If it had been I could have learned faster. Thanks

Hace 4 años

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