she has nine children,half of them are girls.do you know why?一个人有九个孩子,其中一半是女孩,你知道为什么吗?
问题描述：
she has nine children,half of them are girls.do you know why?
一个人有九个孩子,其中一半是女孩,你知道为什么吗?
答
half is the child's name,she is a girl