他们花了两个小时才做完他们的作业的翻译：It took them two hours to do their jobs 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They spent two hours to finish their work

It took them two hours to do their jobs

They spent for two hours only then to complete their work

They spent two hours before they have done their job

It took them two hours to do their jobs