Question

【题目】Mary is my pen pal.She is ________ girl.

A. a 8 years old B. an-8-year- old

C. an -8-years- old D. a 8year old

Answer 1

【答案】B

【解析】句意：Mary是我的笔友，她是一个8岁的女孩。a 8 years old形式错误；an 8-year-old一个8岁的女孩；an 8-years-old形式错误，year应变为单数；a 8-year-old形式错误，8的发音第一个音是元音/ei/，应该用an修饰。故选B。