Maryis    girl,butsheknowsalotaboutscience.    A.aeigh...

问题详情：

 Mary is     girl, but she knows a lot about science.

     A. a eight-year-old            B. eight-year-old 

     C. eight years old             D. an eight-year-old

【回答】

D

知识点：相似 相近词比较

题型：选择题