Question

【题目】Kate is ________ girl. She’s very happy at school.

A. a eighteen-year-old B. an eighteen-year-old C. an eighteen-years-old

Answer 1

【答案】B

【解析】句意：凯特是一位18岁的女孩，她在学校是非常的开心。eighteen-year-old是复合形容词，表示18岁的，eighteen是以元音因素开头的，用不定冠词an，根据题意，故选B。