把整个错误归咎于他是不公平的。

It's ___unfair to blame him for the entire mistake.

说她从未为项目做出贡献是不公平的。

It's ___unfair to say that she never contributes to the project.

这个决定似乎不公平，因为它基于错误的信息。

The decision seemed ___unfair because it was based on incorrect information.