Question

【题目】– How old is your sister?
– She is ________ girl.
A.a eight –year–old
B.an eight years old
C.a eight year old
D.an eight–year–old

Answer 1

【答案】D
【解析】句意：--你的妺妺多大了？--她是一个八岁的女孩。分析：考查eight-year-old八岁的；eight是以元音音标开头的单词，因此用不定冠词an.故选 D。