2：桌子上的那个钱包是谁的？（初一初二20课） Whose is the wallet on the desk? ●谁的爸爸在教室里？ Whose father is in the classroom?初一初二7课） 这两句差别在哪? 两种都可以吗？

The wallet on the desk is mine. Whose is the wallet on the desk? 提问表语My father is in the classroom.Whose father is in the classroom？ 提问主语的定语