翻译Years ago, zoos kept all kinds of animals in small cages.A. 多年以前，动物园把各种动物都关在小笼子里。B. 几年前，动物园保留所有动物在大笼子里。C. 多年以前，动物园给所有看管动物的人发很少的工资。
翻译Years ago, zoos kept all kinds of animals in small cages.
A. 多年以前，动物园把各种动物都关在小笼子里。
B. 几年前，动物园保留所有动物在大笼子里。
C. 多年以前，动物园给所有看管动物的人发很少的工资。
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