—All right. Can you bring it to me tomorrow?

Kangaroos live in Australia. They can't run and they can't walk. they can jump. They can jump very fast. Baby kangaroos (be) very small and only 3 cm long. They can't jump and they can't see. A young kangaroo is always in its (mother) pouch (育儿袋)for the first six months. They can see when they are nine (week) old. They can jump when they are eight months old.

Camels live in desert. They can close their long noses (keep) out of the sand. Camels have humps(驼峰) on (they) backs—-some have one and some have two. Humps do not carry water. They carry food. If camel is hungry, its hump will get smaller. If a camel is thirsty, it will drink (lot) of water at one time. A thirsty camel can drink a lot of water. If it (drink) a lot of water, it won't drink again over a week.

Which pet is the best one for you? Different pets are good for different people.

People in the country can have almost any pets. Dogs need a lot of space to run, so the country is a good place for them. It is also a good place for cats, rabbits, horses, and birds.

People in the city can also have pets. Cats are happy inside apartments(公寓). Birds, fish, and lizards can live in apartments. Dogs can be very happy in apartments as long as they get lots of exercise and clean air. The owners (主人) should walk the dogs every day. A runner could be a good dog owner. So the dog could run with its owner.

Cat and dog owners must train their pets. Training takes time. Birds, fish, and lizards are better pets for people who are very busy.

Cats and dogs both need soft beds to sleep on. Birds sleep on a stick in their cages. Lizards and fish need tanks to live in. One thing that all animals need is lots of love.

Many people like animals. Now a lot of people keep animals as pets. Usually people like to keep dogs, cats, fish and other animals. Many young people keep animals because they think these animals are interesting. Some old people keep pets because they don't live with their children.

Molly lives on No. 25 Garden Street. He is a doctor, and he helps dogs. People usually call him The Dog Doctor. When their dogs get sick(生病), they call him on the telephone. He goes to the people's houses and helps them. He gives the dogs the right medicine(药物). Wherever (无论) he goes, he is always welcome.