Translation of "Submit" in Chinese

Please submit the homework.

请你补交作业。

Edit your work better before you submit it, it's sloppy.

提交工作内容之前请仔细检查，这里有疏忽的地方。

Don't change sentences that are correct. You can, instead, submit natural-sounding alternative translations.

请勿更改没有错误的句子。请添加一个新的更自然的翻译。