The old man's sons helped him every day.

老人的儿子们每天帮助他。

同一单元的其他句子

• The old man tried to move the mountains with his family.那位老人试图和他的家人一起移山。
• Why did the old man want to move the mountains?为什么那位老人想要移山？
• The mountains were so high that they blocked the sun.那些山太高了，挡住了太阳。
• He decided to move the mountains day after day.他决定日复一日地移山。
• Don't give up, even if the task seems impossible.不要放弃，即使任务看起来不可能。