I am an active 12-years-old girl这句话对吗?如果不对,不对在哪 快
问题描述:
I am an active 12-years-old girl这句话对吗?如果不对,不对在哪 快
答
12-years-old
改成:12-year-old
复合形容词数词和名词都不需要复数