①，Spend，主语是人。
Tom spent two hours on his homework.
汤姆花了两小时做他的家庭作业。
Tom spent two hours (in) doing his homework.
My sister spent 100 dollars on her dress.
我妹妹买裙子花了100美元。
My sister spent 100 dollars (in) buying her dress.
②，Pay，主语是人。
I paid 200 yuan for this pair shoes.
我花了200元买了这双鞋。
③，cost，主语是物。
The book cost me five yuan.
这本书花了我5元钱。
④，take，一般由it作形式主语。
It took me 10 minutes to walk to school from My home.
从我家到学校花了我10分钟的时间。
It took him 25 yuan to buy this book.
买这本书他花了25元钱。
