他做完了家庭作业用英文怎么说

英语表达为"He finished his homework."

这是一个简单的英语句子，是来自日常英语的常见说法。

例句1: "Did he finish his homework?" 他做完了家庭作业吗？

例句2: "He finally finished his homework after working on it for hours." 他花了好几个小时才做完家庭作业。