It is useful bookA.quiet B.a quiet C.quiet an D.an quiet

It is useful bookA.quiet B.a quiet C.quiet an D.an quiet it is ______reading the bookA worth Bworthy of Cworthwhile三选一 （ ）useful book it is Is it useful enough?是什么意思? O_____ ,it is a useful book it is useful.it is interesting 合并句子 It is useful to become reconciled now?额.It is useful to become reconciled now? it useful to it is useful to用法区别 请具体点哦! It is ____ useful book.I borrowed it yesterday. I have tired it,but it is still ＿(useful). How useful the information is. How useful the information it is. 哪个对? 英语：改为同意句How useful the book is!It is _____ _____ useful book. What is more useful after it is broken? what is more useful after it is broken? __ information it is Just put it into the computer .A How useful an B what useful C How useful D What a useful It is very useful to learn computer skills.___computer skills__very useful.动名词同义句转换 How useful a book it is!这句话对么? It is a very useful dictionary.改感叹句 要两种形式