完形填空。

    Horses can run. They can run fast. Some horses are big.1horses are not so big. A pony is not a big horse. It is a small horse.

    Sometimes we see brown horses. Sometimes we see black horses. And sometimes we see a white horse or a gray horse. A horse has two ears, two2 a nose and a3. A horse has a back. A horse has a tail. A horse has four legs. Horses eat4. Some horses like apples too. Horses 5 water. They drink buckets and buckets of water.