One of the animals that help people a lot is the dog. In some countries, dogs pull wagons. In the cold north, dogs pull sleds.

There are other ways that dogs help us, too. Policemen use them to look for missing people. Soldiers use them to carry letters and medicine .On farms, dogs take care of sheep and keep them in the fields. At night, they take the sheep home. Dogs help the blind with work. Some dogs are good and kind. Some dogs are good at another skill.

参考翻译:有一种是狗的动物给人们提供很多帮助。在一些国家,狗拉马车。在寒冷的北方,狗拉雪橇。

狗还有其他的方法可以帮助我们。警察使用它们来寻找失踪人员。士兵携带信件和医学中使用它们。在农场,狗看守绵羊，让它们待在田地里。晚上,它们把羊带回家。狗帮助盲人工作。有些狗很友好而且善良。有些狗擅长另一项技能。