This book cost me 50 yuan.改否定句,要用一般过去时吗?

This book cost me 50 yuan.改否定句,要用一般过去时吗? this book cost me 20 yuan 改同义句 this book cost me 10 yuan.(改为同义句） This book cost me 25 yuan句意相同 This new book will cost me (40 yuan)划线提问 the book cost me five yuan 该同义句 -i＿five yuan ___the book 可以用 This MP4 cost me 200 yuan怎么改? The book cost me 20 yuan (改为同义句) the book cost me 10 yuan （改为同一句） 填写同义句The book cost me three yuan. 一道英语通意句转换This book cost me five yuan.（同义句）I _______ five fiv 改同义句：The bicycle cost me two hundred yuan