こちらは、「Pets and Farm Animals」のAnswer Keyです。
:a small animal with soft fur that people often keep as a pet. Cats catch and kill birds and mice.
:a young cat
:an animal with four legs and a tail, often kept as a pet or trained for work, for example hunting or guarding buildings. There are many types of dog, some of which are wild.
:a young dog
:a small animal with soft fur, long ears and a short tail. Rabbits live in holes in the ground or are kept as pets or for food.
:a small brown animal with stiff parts like needles (called spines) covering its back. Hedgehogs are nocturnal (= active mostly at night) and can roll into a ball to defend themselves when they are attacked.
:an animal like a large mouse, with large cheeks for storing food. Hamsters are often kept as pets.
:a small aggressive animal with a long thin body, kept for catching rabbits, killing rats, etc.
guinea pig【ˈɡɪni pɪɡ】
:a small animal with short ears and no tail, often kept as a pet
:a large animal kept on farms to produce milk or beef
:an animal with horns and a coat of hair, that lives wild in mountain areas or is kept on farms for its milk or meat
:an animal with a thick coat, kept on farms for its meat (called mutton or lamb ) or its wool
:an animal with pink, black or brown skin, short legs, a broad nose and a short tail which curls round itself. Pigs are kept on farms for their meat (called pork) or live in the wild.