this book is on the desk 句子结构分析

this book is on the desk 句子结构分析 This book is on the desk不加is This is your book.My is on the desk. This book on the desk is quite_______（interest） the book is on the desk. this isn it ( ) book .my book is on the desk填空,谢 This isn't ( ) book .my book is on the desk.填空,谢 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 This book is _(I)._(your) is on the desk.