costcost:花钱或时间、劳力（物作主语）spend:花钱或时间（人作主语）take:花时间（通常it作主语）The book cost me 30 yuan.I spent 30 yuan buying the book.It usually takes me fifteen minutes to walk to scho...有结构sthtakessbsth吖一般用it作主语，再如：How long does is take you to get to school every day?It took me three hours to finish my homework yesterday. 希望对你有启发，如对你有帮助，请记得及时采纳