我今天得完成这篇论文，因为我们明天必须交。

I have to finish this essay today. We have to hand them in tomorrow.

《牛津词典》

我今天一定要完成这篇论文，因为我明天要出去。

I must finish this essay today. I'm going out tomorrow.

《牛津词典》

要在明天完成有点难度。

Getting it finished by tomorrow will take some doing.

《牛津词典》

How can I finish this 15 page report by tomorrow?

我怎么可能在明天之前完成这15页的报告呢？

How can I 实战 - SpeakingMax英语口语达人

How can I finish this by tomorrow?

我怎么可能在明天之前完成呢？

How can I 课堂 - SpeakingMax英语口语达人