他所要求的只是一个证明自己清白的公平机会。

All he asks is ___a ___fair ___chance to prove his innocence.

再者，我认为你必须给每份工作一个公平的机会。

Then again, I think you have to give every job ___a ___fair ___chance.

她理应有一个公平竞争这个职位的机会。

She deserves ___a ___fair ___chance to compete for the position.