spent on 与spent in 有什么区别?

spent on 与spent in 有什么区别? have spent 和 had spent 有什么区别、//? pay,cost,spent,take有什么区别 “spent"与"cost"的区别 Money spent on the brain is never spent in vain. cost 与spent等一系列词有什么区别?语法上 having spent/have spent 的区别 in与on用法有什么区别? Large amounts of money spent on bridge.号处填什么 Mary spent 90 yuan on new cloths有没有错误 paid spent cost takes区别 decide in与on有什么区别?depend on与decide in有什么区别?