这个项目现在处于最后阶段。

The project is now in its final ___stage.

他们徒步走完了旅程的最后一段。

They walked the last ___stage of their journey.

他们的孩子正处于能说单词但还说不了完整句子的阶段。

Their child is at the ___stage where she can say words but not full sentences.