这是一个科学事实：水在零度会结冰。

It's a scientific ___fact that water freezes at zero degrees.

记者在报道中引用了多个事实来支持他的观点。

The journalist cited several ___facts in his report to support his argument.

实际上，我昨天就完成了这个项目。

In ___fact, I finished this project yesterday.

新闻报道必须基于事实，不能编造虚假信息。

News reports must be based on ___facts, not made-up information.