－He is only aboy but he play soccer very well.A. 15-years-oldB. 15- year -oldC. 15-year ol

问题补充：

－He is only aboy,but he play soccer very well.

A. 15-years-old

B. 15- year -old

C. 15-year old

D. years old’s

答案：

(答案→)A. 15-years-old

B. 15- year -old

C. 15-year old

D. years old’s

解析：复合形容词的表达法的结构是：数字+名词（单数）+形容词。所以本题应该选A。