为什么她从不参加我们的团队会议？

Why doesn't she ever ___participate in our team meetings?

鼓励所有学生参加课外活动。

All students are encouraged to ___participate in extracurricular activities.

我们受邀参加了一场关于气候变化的国际会议。

We were invited to ___participate in an international conference on climate change.