她迅速用强有力的论据反驳了他的指责。

She quickly ___countered his accusation with a strong argument.

当对方提出质疑时，她迅速反驳了他们的观点。

She quickly ___countered their argument when they raised doubts.

她在辩论中巧妙地反驳了对方的观点。

She effectively ___countered the opponent's argument during the debate.