请更正你的错误答案。

Qǐng gēngzhèng nǐ de cuòwù dá'àn.

Please correct your incorrect answer.

我们及时更正了这个问题。

Wǒmen jíshí gēngzhèngle zhège wèntí.

We corrected this issue promptly.

老师在学生作业上做了更正。

Lǎoshī zài xuéshēng zuòyè shàng zuòle gēngzhèng.

The teacher made corrections on the student's homework.