（ ）useful book it is

（ ）useful book it is O_____ ,it is a useful book 英语：改为同意句How useful the book is!It is _____ _____ useful book. It is ____ useful book.I borrowed it yesterday. this is （）interesting book and it is also （）useful one. It is a very useful book.改成两种感叹句.（What）（How） How useful a book it is!这句话对么? what a useful book it How useful the book is!的同义句It is ____ _____useful book . This is () useful story book.. This is （ ） useful book．（填冠词） It is a useful science book Jenny looks beautiful in this red skirt 改为感叹句 It is ( ) useful book.用a还是an?好人一生幸福. This book is useful to me,so I _____ 20 yuan on it yesterday. This is an useful book.You'd better read it carefully.修改病句 This is an useful book .You must read it carefully .哪里错了? the book is very useful 感叹句 Is it useful enough?是什么意思?