"Jsou stará."

Translation: They are old.

[DevilInThe]

Whom can we adress this way? Animals, because they are neuter?

[endless_sleeper]

It's a substitute for any word that is a neuter plural. For example města ('cities'), zvířata ('animals'), kuřata ('chickens'), kůzlata ('goatlings', 'goat kids') etc.

[DevilInThe]

Perfect, thanks!

[IvanPorter1]

i don't understand it says that it is are they but said the correct answer is they are please reply thanks

[darkaardvark]

Would jsou to stará also be acceptable?

[LVUhV]

Not really. It would be acceptable if you added a noun at the end of your sentence, e.g. animals - Jsou to stará zvířata. This would be correct.