只要你4:30前能完成，我可以帮你。

I can help you ___as ___long ___as you finish by 4:30.

你可以用车，只要你之后把油箱加满。

You can use the car ___so ___long ___as you fill up the gas tank afterward.

只要你本周努力学习，期末考试就能通过。

You'll pass the finals ___as ___long ___as you study hard this week.