the book on the desk 和the book is on the desk 哪句是对的·?

the book on the desk 和the book is on the desk 哪句是对的·? The book on the desk the book is on the desk. A book is on the desk和On the desk is a book 对the book is on the desk.怎么提问 The book on the desk is mine.对 on the desk 提问 is your book on the desk (陈述句) -----book on the desk is ----useful one is there a book on the desk? My book is on the desk The book is on the desk中介词短语on the desk 的句子成分是什么? the book is on the desk的句型转换（划线部分）on the desk