The book( )I spent 30 yuan is well worth readingA whichB thatC on whichD on that这道答案是C 求原因 谢谢~~~

I spent ten yuan buying the book 同义句 i spent half an month reading the book什么 I spent ten yuan buying the book 同义句 I （）ten yuan （）the book I spent 15 yuan on a book.(改为同义句） I____ 15 yuan____ the book. I spent ten yuan on the book.I ____ten yuan ____the book.改为同义句每条横线填一词 I spent the outside I spent half an hour_______my book. I spent two days to reading the story book.同意句是什么? I spent 20 dollers on this book.(同义句转换)== I（ ）20dollers ( )this.The book ( )( )20dollers. 一道改为同义句的英语题I spent three hours reading the book（改为同义句）____ ____ ____ three hours ____ ____ the book. I spent ten yuan on this book.改为否定句I spent ten yuan on this book.改为否定句 I spent two days in finishing reading this book.为什么不是spent.on? Dad spent 10 yuan on the book.Dad___the book____10 yuan. He spent two w____ years writing the book. _What do you think of the book?_It reminds me of the days()I spent in the countryside.A when B that =We spent ten days( )the book =lt took me ten days( ) ( )the book He spent five days reading the book.(同义句)He spent five days reading the book.（同义句）_____ _____ him five days ______ ______ the book. He spent two hours reading the book(改为同义句)_____ _____him two hours____ ____the book