How was twice formed?

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Tags

1. #started
2. #trainees
3. #survival
4. #where
5. #reality
6. #debut
7. #would
8. #twice
9. #dahyun
10. #ended
11. #jeongyeon
12. #compete
13. #member
14. #sixteen
15. #seven
16. #group
17. #announced
18. #jihyo
19. #nayeon
20. #formed
21. #chaeyoung
22. #young