the book on the desk is very useful for us句子的谓语是什么

the book on the desk is very useful for us句子的谓语是什么 -----book on the desk is ----useful one Is ____ book on the desk ___ useful one the book (on the desk )is very interesting 对括号里的句子进行提问 （ ）( The book is on the desk中介词短语on the desk 的句子成分是什么? The book On music is very useful是什么意思 the book on the desk 和the book is on the desk 哪句是对的·? the book is very useful 感叹句 The book is very easy for us.there are ( ) new word on it this book is on the desk 句子结构分析 the book is on the desk. the book is _more useful for us student .Yes ,but it is _too