问题
选择题
Before he was arrested, he had taken _______ one-month holiday, and stayed in the country with ________ 18-year-old girl, one of his students.
A．a, a
B．an, an
C．a, an
D．an, a
答案
答案：C
本题考查冠词。句中a one-month holiday泛指一个月的假期；a 18-year-old girl泛指一个18岁的女孩。句意：在他逮捕之前，他和一个18岁的女孩，是他其中的一个学生在乡下度过了一个月的假期。