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A fox is looking for(寻找)food. He is very hungry. Now he stops and looks up. He sees a lot of nice grapes at the top of the wall. "How nice they are!I want to eat them. " The fox jumps and jumps, but the wall is too high. He can't get the grapes. The fox goes away and says, "I don't like those grapes. They are not good to eat. "