–How old is your sister?–She is ________girl.A．a eight

试题详情及答案解析

–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

答案：D

试题分析：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
考点：考查冠词及复合形容词的用法。