Breakdown of U poruci je objašnjeno da će domaća zadaća biti kratka, ali da mora biti uredna.
Questions & Answers about U poruci je objašnjeno da će domaća zadaća biti kratka, ali da mora biti uredna.
Because u meaning in takes the locative case when it expresses location.
- Base form: poruka = message
- Locative singular: poruci
- So u poruci = in the message
This is a very common pattern in Croatian:
- u školi = in school
- u knjizi = in the book
- u poruci = in the message
If u meant movement into something, it would usually take the accusative instead.