将he bought the book in the shop yesterday改成强调句型

问题描述:

将he bought the book in the shop yesterday改成强调句型

It is the book he bought in the shop yesterday,(强调书)
It is in the shop where he bought the book.(强调地点)
It is yesterday that he bought the book.(强调时间)
It is he who bought the book yesterday.(强调人)