because he has too much work to do but not enough time to finish everything.

因为他的工作量太大了，却没有足够时间把每件事做完。

How about 课堂 - SpeakingMax英语口语达人

I would just get all my work done, like the weekend before it was due.

我会在周末之前把所有的工作都做完。

自身时间管理方法 - SpeakingMax英语口语达人

You made sure that you finished your work.

你确保每项工作都做完了。

I was 课堂 - SpeakingMax英语口语达人