This book is an ____ to discuss some interesting social problems.A.AdditionB.attemptC.activityD.assignment

is ,an,book,english,this 英语翻译This book is ____ ____ .就俩空 This book is an ____ to discuss some interesting social problems.A.AdditionB.attemptC.activityD.assignment This book is less interesting than that book?(同义句）that book is ____ ____ ____ this book . this is an interesting book改为感叹句 This is my book.（同义句） I am ____ ____ ____ this book. Tom is ____ in this ____ book (interest) this is a book 提问This is a book .a book提问____ ____ this That is a quilt .a quilt 提问____ ____ that This book is iess interest than that book (改为同义句)This book is ____ _____ _____this book Is this a science book?改成疑问句This is a science book,____? this is an english book( )that is pen The book is o_____ medicine It's ____{Lucy} class This is my ruler .his ruler is not an old.改错 This book is boring.(同义句替换） This book __ ____. This is a book,It's an English book.What's this?急. This is an interesting English book如何改为感叹句 This is an Enlish book.(改为复数形式) This is an English book 改成一般疑问句 Is this an English book?改为复数句