问题
选择题
An ________ boy came to our class yesterday.
A．11-year-old
B．11-years-old
C．11-year old
D．11 years old
答案
答案：A
修饰名词的年龄，应用连字符将它们连在一起，用连字符连在一起的单词不可使用复数，故本题选A。
搜题请搜索小程序“爱下问搜题”
An ________ boy came to our class yesterday.
A．11-year-old
B．11-years-old
C．11-year old
D．11 years old
答案：A
修饰名词的年龄，应用连字符将它们连在一起，用连字符连在一起的单词不可使用复数，故本题选A。