翻译下面的内容

1.It took him two hours to do homework.
He spent two hours to do his homework .
cost 只能用于表示花费金钱，不可用于时间的。
2.He spent 10 yuan to buy the exercise book.
He paid 10 yuan for the exercise book .
The exercise book cost his 10 yuan .
希望对你有帮助。

1 It takes him two hours to do the homework.
he spends two hour doing the homework.
it costs him two hours to do the homework.
2 he spends 10 RMB for the exercising book.
he pays 10 RMB for the exercising book.
It costs him 10 RMB to buy the exercising book.