他的积极态度让整个团队充满活力。

His ___positivity energized the whole team.

她说话时积极的态度让人无法质疑她的决定。

Her ___positivity when speaking made it impossible to doubt her decision.

他的回答中透露出无可置疑的积极态度。

There was an undeniable ___positivity in his answer.