This hand book is __for us to learn our lessons A.great value B.great valuable C.of great value答案是选C,但我不知道为什么,谁能解释一下啊?谢谢

This book is boring.(同义句替换） This book __ ____. This is Sandy's book.please give her the book（改同义句） This is Sandy's book.please give__ __ __. 请问I think this is Tom's book.对Tom's book画线提问 __ __ __ you think this is.前面三个空怎么填 this,is,hand,eye,arm,foot,leg,book的复数单词是什么? -Whose book is this?-It must __ Mary.I saw her read it this morning. Is this your book No __(I) is in my bag This book __ to Mary.A belong B belongs C is belonged D is belonging _____ is more interesting ,this book or that?(What,Which)Hold it in this hand ,not_____hand.(other,another,the other) 翻译This is Linda Hand Whose book is this? This is a book whose is this book? This book is yours Lily,is this book()? this is ( ) book. THIS BOOK IS THE __ A.teacher B.teachers C.teacher’s This book is more expensive than that one (同义句) That book is__ __ ___ ___this one 这本书和那本书很不同 翻译 This book is quite __ __ that one