Whose is the bag on the desk?

问题描述:

Whose is the bag on the desk?

应该是Whose bag is that on the desk?意思是,桌子上的那个包是谁的?
有很多种回答,如果那个包是你的,就说It is mine.
如果你不知道是谁的,就说I do not know.
如果是别人的,就说It is (莫个人的名字)'s,比如说,如果是 Tom的,就说,It's Tom's.

It is one's.

It‘s mine!

桌子上是谁的书包?
It‘s mine.是我的。