His brother is seventeen.写出它的的问句______ _______is hisbrother?

问题描述:

His brother is seventeen.写出它的的问句______ _______is hisbrother?
帮帮忙,3克油!

How old is his brother?
前面的语句是陈述句,说的是“他的兄弟十七岁了”,问的当然是“他多大了?”