“他5个小时写完作业”用英语怎么说

Question

如题所述

Answer 1

He spends 5 hours (in) doing his homework.
He spends 5 hours on his homework.

【sb spend sometime (in) doing sth.】 in 可省略
【sb spend sometime on sth.】

It takes him 5 hours to do his homework.
【it takes sb. sometime to do sth.】

Answer 2

It took him 5 hours to finish the homework.

Answer 3

He finished his homework for 5 hours.

Answer 4

He finished homework five hours.
最简单也最实用。

Answer 5

有以下两种说法均可行：
1 He spent five hours to finish his homework.
2 He finished his homework for five hours.