"Która kobieta pije wodę?"

Translation: Which woman is drinking water?

[chce_polski]

Kazdy pija.

[Jarek791896]

Każda pije. (woman)
Każdy pije. (person)

[KeithAllan5]

I wrote exactly the right answer but forgot a space between ktora and kobieta. Took my last heart away. Harsh.

[Marta454311]

Why does woda become wode after pije

[Jellei]

Most transitive verbs (verbs that take an object) need this object to use the Accusative case. "wodę" is the Accusative form of "woda".