he is ____boy 1.a eight-year-old 2.an eight-year-old 3.an eight-years-old 4.a eight year old
问题描述:
he is ____boy 1.a eight-year-old 2.an eight-year-old 3.an eight-years-old 4.a eight year old
答
he is ____boy 1.a eight-year-old 2.an eight-year-old 3.an eight-years-old 4.a eight year old