dogs are friends of man,but a long time beforeDogs are friends of man,But a long time before,dogs were wild all over the world。It can go back to the Stone Age.All dogs had the same ancestor(祖先),It is believe that this ancestor was much li
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dogs are friends of man,but a long time beforeDogs are friends of man,But a long time before,dogs were wild all over the world。It can go back to the Stone Age.All dogs had the same ancestor(祖先),It is believe that this ancestor was much li
dogs are friends of man,but a long time before
Dogs are friends of man,But a long time before,dogs were wild all over the world。It can go back to the Stone Age.All dogs had the same ancestor(祖先),It is believe that this ancestor was much like a wolf .Thousands of years ago,man began tame (使驯服) the wild dogs.Then the strong dogs became work animals.找出五个错误
dogs are friends of man,but a long time beforeDogs are friends of man,But a long time before,dogs were wild all over the world。It can go back to the Stone Age.All dogs had the same ancestor(祖先),It is believe that this ancestor was much li
Dogs are friends of man,But a long time before(改为ago),dogs were wild all over the world.It(改为They) can go back to the Stone Age.All dogs had(改为have) the same ancestor(祖先),It is believe(改为believed) that this ancestor was much like a wolf .Thousands of years ago,man began (加上to)tame (使驯服) the wild dogs.Then the strong dogs became work animals
除了很久以前,狗都是人类的朋友