问题描述：
英语知识要点卷智慧乐园
Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies
Bill's grandma has eight animals.They are rabbies and chickens.They have 28 feet altogether.So Bill's grandma has ( ) chickens and ( ) rabbies
问题解答：
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