I would say pet monster
Pets at home.
Yes, you can find them in your nearby pet store.
The pet store.
yes the dixie market has a pet store
It depends... you can have an elephant as a pet... it really does depend on what you mean as pet...
In the pet store
at a pet store
If you are speaking of a store that belongs to pets, then you would write: pet's store
you should get it from the pet store.
Santiago's Pet Store
Peter got his turtle from the pet store. He bought it at the pet store.
Ask someone who works at a pet store or go to a pet store.