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There ______ an animal park near my house. It's very ______. There are many animals in it. It's an animal world. All kinds of animals are ______. They are good ______. Look, there is a rabbit and a cat under the tree. The rabbit's ears are ______ than the cat's. There is an elephant and a horse by the river. The elephant is ______ and ______ than the horse,but it's not ______ than the giraffe. There are two monkeys on the tree. The brown monkey is ten years old. The yellow monkey is four ______ old. The brown monkey is ______ than the yellow one,so it's heavier, too.