It is a useful book , I bought it in___ Xinhua BookstoreA / B an C the 为什么选A不选C

O_____ ,it is a useful book （ ）useful book it is what a useful book it How useful a book it is!这句话对么? 英语：改为同意句How useful the book is!It is _____ _____ useful book. It is ____ useful book.I borrowed it yesterday. 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. It is a very useful book.改成两种感叹句.（What）（How） A It is an interesting and useful book.-----you begin to read it,you will like itIt is an interesting and useful book.-----you begin to read it,you will like it A.once B.because C.until 理由 ( )useful book a/an the book is _more useful for us student .Yes ,but it is _too diffcult.A.Much;rather B.quite; much ______ useful book it is!A．What an B．How a C．What a D．What 英语介词填空：French______Today is a useful book for me.1.French______Today is a useful book for me.2.Our World_____English is also a useful book. The book is ___than that one.A.useful B.the most useful C.much more useful D.a little usefulThe book is ___than that one.A.useful B.the most useful C.much more useful D.a little useful There is a(an) useful book and some pens in it如题 用 a 还是 an How useful the book is!的同义句It is ____ _____useful book . A dictionary is an useful book.找错哪里错了?