She decided to _______ in the school play. 表演，参演

We need to ____ ____ to solve this problem. 词组： 采取 行动

He's a famous _______ who has won many awards. 演员，演出者

How did she _______ when you told her the news? 反应，反馈，表现

She's a very _______ person who loves to exercise. 活跃的，积极的

The children were engaged in various _______ during the summer camp. 活动，行动n.

The government plans to _______ new laws to protect the environment. 颁布，发布

His_______ led to the failure of the project. 不作为，无行动，消极行为 n

The _______ between the two chemicals resulted in an explosion. 交互，融合,互相作用

We need to_______ this business deal as soon as possible. 完成商业、金融或法律交易或处理