Respuesta :
Answer:
they're
Explanation:
there signifies a place (there is a blue house)
their signifies something that is a possession (their house is blue)
they're is "they are" so (they are cats)
Answer: they're
Explanation: They're because they're is a form of they are. If you put that in a sentence, it becomes:
Cats, on the other hand, are very calm; they don’t tend to say much unless they are hungry or accidentally stepped on.