_is your cousin?He's 15 years old

_is your cousin?He's 15 years old
_is your cousin?He's 15 years old

_is your cousin?He's 15 years old
How old 多大
祝你学习进步,更上一层楼,快乐每一天!(*^__^*)

How old
你表哥多大了？他十五岁。
希望我的回答能够帮到你，望采纳！
祝你学习进步，天天快乐。O(∩_∩)O

How old