She paid 10yuan for this book她花了10元购这本书I spend 10yuan on this book这本书我花了10元这两句话是一样的意思对吧?一个强调pay 一个强调spend?为什么句中一个用for和on?是固定的吗?

she paid me 100 yuan for the damage同义句 改同义句:She paid 100yuan for the coat.she(0100 yuan()the coat. She paid 200 yuan for her MP3.（改为同义句） She ___ 200 yuan ____ her MP3. I paid 10 yuan for this book . 同义句 I paid 600 yuan for this bike I paid 600 yuan for this bike She paid 400 yuan for the new bike 同义句?The new bike __ __400 yuan. She __ 400 yuan__ the new bike.谢谢~ i paid 10 yuan for the new book.对划线部分提问 划线部分为10 yuan He paid 10 yuan for the book.同义句 He__10yuan__ __ the book. she paid me twenty yuan同义句she______twenty yuan_____ _____. i paid 5 yuan for the book 同义句 I paid five yuan for the pen.同义句转换 I paid five yuan for an ice-cream.同义句 father paid 5,000 yuan for the new conputer 2.He paid 10 Yuan for the pen.=He ______ 10 Yuan _____the pen.3.I’m hungry and thirsty=I am hungry ____ _____ ____thirsty.4.She was absent because she was ill.=She was ______ because ____ ____illness. sb pay some money for sth疑问句I paid 10 yuan for this book分别对10 yuan和this book提问 She paid me twenty yuan 改同义句 She___ ___twenty yuan__ __.His mother cooked a nice meal for us.改同义句 His mother___ ___a nice meal. I paid the mouse for 18 yuan in the supermarket.中的paid怎样理解