问题
选择题
Bill is an _______ boy.
A．eight years old
B．eight-years-old
C．eight-year-old
D．eight-year-olds
答案
答案：C
表示多少岁数修饰名词，可用两字符将每个单词连在一起，不可使用复数形式，相当于一个形容词，故本题选C。
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Bill is an _______ boy.
A．eight years old
B．eight-years-old
C．eight-year-old
D．eight-year-olds
答案：C
表示多少岁数修饰名词，可用两字符将每个单词连在一起，不可使用复数形式，相当于一个形容词，故本题选C。