react|reacted|reacts|reacting
他对她的评论做出了愤怒的反应。
He ___reacted angrily to her comments.
她用各种难听的话骂他，但他没有反应。
She called him all sorts of names, but he didn't ___react.
警报响起时，安保团队迅速而专业地做出了反应。
When the alarm sounded, the security team ___reacted swiftly and professionally.
我的皮肤对大多数香水会产生不良反应。
My skin ___reacts to most perfumes.
许多人对青霉素有不良反应。
Many people ___react badly to penicillin.
她对鸟羽毛有不良反应。
She ___reacts badly to bird feathers.
科学家正在实验室里小心地让一种化学物质与另一种发生反应，以观察变化。
The scientist is carefully ___reacting one chemical with another in the laboratory to observe the change.