costs 单数加s
人作主语时是用spend,如：I spend 3 yuan on the book.
物作主语时要用cost,如：The book costs me 3 yuan.
形式主语It作主语时要用take,如：I takes me 3 yuan to buy the book.
根据提示填写所缺单词Fast food always ＿＿(花费)too much in Nanjing.
costs 单数加s
人作主语时是用spend,如：I spend 3 yuan on the book.
物作主语时要用cost,如：The book costs me 3 yuan.
形式主语It作主语时要用take,如：I takes me 3 yuan to buy the book.