题目内容：

Whose ruler is this?

优质解答

这是谁的尺子?

追问：

答案。还有Whose bags are these? Whose doll is that?

追答：

这些包是谁的？ 那个洋娃娃是谁的？

追问：

答案。

追答：

答案？ 没搞错吧。 只能说回答的模式： The ruler Lily's ruler. These bags are the students'. The doll is Licy's.