应该是一个副词,only,even,easily,hard等等
也有可能是not
有没有具体的语境?否则不好回答前面一句:On school days, my mom gives me 5 yuan every day.后面一句:And I put some of _____ money in the bank.顺便也把后面这一个空填了吧also,the.有可能不对，还请多多包涵