问题
选择题
He has ___________ daughter_______ Mary.
A．a eight years old , name
B．an eight-years-old , named
C．an eight-year-old , named
D．a eight-year-old , naming
答案
答案：C
修饰名词表示一个量，可用连字符将它们连在一起，连字符连在一起出现的名词不用复数，相当于一个形容词，eight第一个音是元音，故用不定冠词an，故本题选C。