他立即反驳了那些关于他辞职的传闻。

He immediately ___negated the rumors about his resignation.

他的迟到完全抵消了提前完成工作的努力。

His tardiness completely ___negated the effort of finishing the work early.

她的成功消除了所有对她潜力的质疑。

Her success ___negates all the doubts about her potential.