A        girlnamedDongXinyilookedafterhersickfather.A.t...

问题详情：

A         girl named Dong Xinyi looked after her sick father.

A. three-year-old                     B. three-years-old   

C. three years old                    D. three year old

【回答】

A  a three-year-old girl意为“一个3岁的女孩”。

知识点：构词法

题型：选择题