spend cost took(take)的区别是：

spend 某人花费(时间，金钱)做某事。人作主语。其结构是：

一：spend time/money on sth.或者

spend time/money (in) doingsth.

例句：

1.I spent two hours on my homework yesterday.

昨天我在作业上花了两个小时的时间。

或者：

I spent two hours (in) doing my homework yesterday.

2.I spent ten yuan on the book yesterday.

昨天我花了十元钱买书。

或者：

I spent ten yuan (in) buying the book yesterday.

二：cost……(物)值多少钱，……(物)花去某人多少钱。物作主语。

例句：

This book cost me ten yuan.

这本书花去我十元钱。

三：took(take)做某事花去某人多少时间。是不定式作主语，通常用it作形式主语。例句：

It took me two hours to do my homework yesterday.

昨天我做作业花了两个小时。

这三个词翻译成汉语，都有花费的意思。Spend，主语是人，可以构成短语spend on。例如，he spent ten yuan on this book。

Cost花费，他的主语通常是物，某物花费某人多少钱。例如，this book costs him ten yuan. Take通常构成结构，it takes somebody some money to do something。例如，it takes him ten yuan to buy that book。