It is next to the post office.为什么要用is

It is next to the post office.为什么要用is to,it,next,is,office,the,post.连词成句 Look!The post office is next to it. post the office next to is it 连词成句 there is a post office next to the bookstore and it is very Where is the post office It’s next t The post office is next to the park.否定句 the pay phone is next to the post office ther where is the park?___ next to the post office The park is next to the post office.（对next to the post offic the pay phone is next to the post office对next to the post of It is next to the post office的同义句是什么