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If you are spending 5 minutes a day on DuoLingo - then you've spent 250hours on it, which I think might be tight to get to B1 standard anyway (but might be poss
by helsinkiandrew 4y ago
If you are spending 5 minutes a day on DuoLingo - then you've spent 250hours on it, which I think might be tight to get to B1 standard anyway (but might be possible) - but you're probably spending those 5 minutes whilst you wouldn't be doing other language learning.