1.Her brother is thirteen years old.(用 thirteen years old 提问）←划线部分提问

2.This is my ID
一题要回答么?
要的话说声要！怎么回答？就划线部分提问 划线部分为：thirteen years oldHis age is thirteen years old?1.Her brother is thirteen years old. (用 thirteen years old 提问） ______ _______ _______ her brother？