这个词在句子中起到了关键作用。

This ___word plays a crucial role in the sentence.

她带来了关于公司重组的最新消息。

She brought the latest ___revelation about the company restructuring.

她坚持决心，完成了这个项目。

She kept her ___resolve and finished the project.

他在演讲中谨慎地阐述了自己的想法，以确保每个观点都被清晰表达。

He carefully ___revealed his ideas in the speech to ensure every point was clearly expressed.