The phrase "a pet which" is correct and usable in written English.
It can be used when referring to a specific type of pet or providing additional information about a pet.
Example: "I have a pet which loves to play fetch and go for long walks."
Alternatives: "a pet that" or "a pet who".
One is clutching a fluffy mouse pencil case as a pet, which we poke with our wands.
His father got him a pure bred Cocker spaniel puppy as a pet, which he enjoyed very much.
One, in particular, is "The Girl Who Kept a Fly as a Pet", which is recounted through the diary of a teenage girl in the mid-1970s.
It might be that the previous owner had a pet, which wouldn't hurt the way the car works, but it's certainly irritating.
With a hectic travel schedule and demanding job, Aimee couldn't have a pet, which was especially tough, having grown up with cats, dogs, horses and pigs.
That's the kind of acceptance you get only from a pet, which explains why singles are looking for love in animal shelters, where there will be no lying about age, which isn't always true on Match.com.
The Tamagotchi, for the benefit of puzzled aliens recently arrived on earth, is an electronic toy, a "virtual pet" which can be fed and generally looked after.
A: At the bottom end, you need at least two, as they are social creatures and keeping just one is cruel (unless you put her in a diaper and make her into a house pet, which, yes, you can do).
If you don't want anyone to know about it, you can even try talking to a loving pet, which can be very therapeutic, but remember animals can't give advice in English, whilst humans can, and advice may help.
After forming a bond with their pet, which is usually a cat or a dog, parents find that almost by miracle their child emerges into the outside world; they engage and show levels of emotion not previously experienced.
The poodle is a great family pet which went out of fashion".
