只要我们在晚上9点前结束，我就可以和你们一起吃晚饭。

I can join you for dinner ___as ___long ___as we finish by 9 pm.

只要你答应小心驾驶，就可以借我的车。

You can borrow my car ___so ___long ___as you promise to drive carefully.

只要你先把作业完成，就可以看电视。

You can watch TV ___as ___long ___as you finish your homework first.