I thought it is "ten is not mine" ddfjdk my brain
I suppose 열은 아홉이 아니에요 should be accepted as well, reported on Nov. 5, 2017.
Accepted on Sep. 15, 2021
Can someone explain to me why the answers can't also be "열은 아홉이 아니에요"?
Duolingo uses 합쇼체(formal) and their Korean course is still beta so there are gonna be a couple mistakes. Although, its it's better to be too polite than not polite enough.
вспоминает 10 из nct дыа...