Question

【题目】Lucy is _______girl. She’s very happy at school.

A. a eighteen-year-oldB. a eighteen-years-old

C. an eighteen-year-oldD. an eighteen-years-old

Answer 1

【答案】C

【解析】

句意：露西是一个十八岁的女孩。她在学校很快乐。考查形容词辨析。空白处修饰单数名词girl，且复合形容词18-year-old中的year不加s，eighteen以元音因素开头，需用an。根据句意语境，可知选C。