问题
选择题
Jane is high school student in the United States.
A．a 18-year-old
B．a 18-years-old
C．an 18-year-old
D．18-years-old
答案
答案：C
题目分析：句意：简是美国的一名18岁的高中学生。年龄作定语的形式为：数字-year-old,因为18是元音音素开头的故用不定冠词an来修饰，故选C。
搜题请搜索小程序“爱下问搜题”