(His) ruler is shorter than Nancy's .(对划线部分提问)

问题描述:

(His) ruler is shorter than Nancy's .(对划线部分提问)

Whose ruler is shorter than Nancy's ?谁的尺子比南希的短?

Whose ruler is shorter than Nancy's ?

Whose ruler is shorter than Nancy's?
有不会的可以再问,努力哦!