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2009年高考英语完形填空课堂限时强化训练[7]
Modern zoos are very different from zoos built fifty years ago. At that time, zoos were places ___1___people could see animals from many parts of the world. The animals lived in _____2___with iron bars. The cages were easy to keep clean.__ 3___, for the animals, the cages were small and impossible to hide in.
Modern zoos are very different from zoos built fifty years ago. At that time, zoos were places ___1___people could see animals from many parts of the world. The animals lived in _____2___with iron bars. The cages were easy to keep clean.__ 3___, for the animals, the cages were small and impossible to hide in.
