你必须按时完成所有家庭作业。

You must finish all your homework on time.

youdao

我承诺按时上学，完成所有作业。

I promise to attend class on time and do all my homework.

youdao

我承诺按时上学，完成所有作业。

I promise to attend class on time and do all my homework.

youdao