How to say in Czech: How old is their dog?

English
How old is
Czech
Jak je jejich pes starý?
What is their dog’s name?
Now it is your turn to walk the dog.
The dog is dead.
I was walking the dog.
Your dog needs to be walked.
Did you feed the dog?
Do you have a cat or a dog?
Do you like dogs?
He had a dog.
I do not have any cats or dogs.

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