Sun Tiantian , , is a professional tennis player from Zhengzhou.
A. a eighteen years old girl
B. an eighteen-year-old girl
C. an eighteen years old girl
D. a eighteen-year-old girl
网友回答
A. a eighteen years old girl
(答案→)B. an eighteen-year-old girl
C. an eighteen years old girl
D. a eighteen-year-old girl
解析:本题需要的是第一个元音音标为an,而eighteen-year-old作为定语,故选答案为B