This book is cheap enough for him to buy it.为什么要去掉it

This book is cheap enough for him to buy it.为什么要去掉it This book is t___but it's cheap.根据首字母,完成句子. This bicycle is _____(cheap) 用book is the cheap 造句 the book is very cheap同义句 Whose book is this? This is a book whose is this book? This book is yours Lily,is this book()? this is ( ) book. the book on the left is cheap.the book on the right is cheap.两句合一句 I think the book is cheap 同义句 I （）（）the book is （） Is this a book? Yes,this is. This is s book.(a book提问) This is my book.This book is mine造句 this is my book. this book is mine 区别是什么? This radio is not so_____________(cheap)as that one