B2 Pronoun Old Question Words
кой
[koy]
which (archaic)
Example sentences
В кои-то веки!
For once! / Once in a blue moon!
Ни коим образом.
By no means.
До кой поры?
Until what time?
В коем веке это было?
In what century was that?
На кой чёрт это нужно?
What the hell is this needed for?
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