Is it book?这个句子怎么改

Is it book?这个句子怎么改 IT IS AM ENGLISH BOOK 改复数怎么改啊 it is an exciting race (改复数句子)怎么改? English,is,it,his,book,not怎么变成句子? what's book is it?-------it's mine 这个句子中哪错了 this book is mine book.哪里错了?怎么改? It is the book that I took from my brother yesterday.这个句子有语法 这个句子怎么改复合句? 这个句子怎么改?  the book is red.复数句 改句子 the （ ) ( ) ( ). The book is f .Don't pay money for it.这个F后面的怎么填 英语句型改写!2He has kept the book for a week.这个句子可以改写成哪些句子?It has