Can duolingo teach you to be fluent?

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Tags

1. #spanish
2. #language
3. #exposure
4. #yourself
5. #fluency
6. #acquired
7. #duolingo
8. #stone
9. #rosetta
10. #fluent
11. #assimil
12. #place
13. #through
14. #program
15. #started
16. #great
17. #teach