题目

One day, a little squirrel meets a big dog. She says to the dog, “Hi, Brother Dog, how are you?” The dog looks at the little squirrel and says, “Who are you? I can’t be your brother. I have no sisters like you --- short and small!”The squirrel says shyly, “I can climb the tree.”“That’s a piece of cake. I don’t think it’s a talent（才能）.”At this time, they see a tiger behind the tree. The squirrel quickly climbs a tree, but the dog runs away. The tiger runs very fast and he catches up with the dog. The squirrel says to the dog from the tree, “Brother Dog, use you It's very kind for you to help the blind man cross the road．