He is__and he has an__sister
A ten-year-old;eight years old B ten years old;eight-year-old 为什么
He is__and he has an__sister
A ten-year-old;eight years old B ten years old;eight-year-old 为什么
B
ten years old 是名词词组作表语的;而eight-year-old 是只作定语的形容词,修饰后面的名词。所以选B
选B
eight-year-old 整个做定语修饰名词 sister