这是谁的书？英语怎么说

这是谁的书？whose book is this?
这书包是大明（daming）的。 this is Daming's schoolbag.
这裙子是她的。 this is her skirt.
这T袖是他的。 this is his T-shirt
小红的洋娃娃很脏xiaohng's toybaby is very dirty

这是谁的书？Whose is this book?
这书包是大明（daming）的.This is Da Ming's bag.
这裙子是她的。This is her dress.
这T袖是他的。This is his T-shirt.
小红的洋娃娃很脏
Xiaohong's doll is very dirty.

This is Daming's schoolbag(书包).
This is her dress（连衣裙）.
This T-shirt（T恤） is his.
Xiaohong's doll（娃娃） is very dirty.

Whose is this book?
This bag is Daming's
This skirt is hers
This T-shirt is his
Xiaohong's doll is very dirty

This is Daming's bag.
This skirt is hers.
This shirt is his.
Xiaohong's doll is dirty