这个项目现在处于最后阶段。

The project is now in its final ___stage.

我们的婚姻目前正经历一个困难的阶段。

Our marriage is going through a difficult ___stage at the moment.

我现在不累，但在走路过程中的某个阶段我需要休息。

I'm not tired at the moment but I will need a rest at some ___stage during the walk.