this book is ___ for learning English grammar

this book is ___ for learning English grammar This book is good for us to learn English well.同义句 This book this is ( )english book that is ( )english Learning English well is important ___ us.可以用for吗? is ,an,book,english,this My book this English is 英译汉,This method we are using for learning English is called I think learning English grammar boring对吗? 选择：Reading English is great ___ learning English. I think learning English grammar _______(bore).横线上填is boring 求讨论to what extent is grammar important to english learning的文 This is ___ English teacher.