你有没有参加过团购？

Have you ever joined a group purchase?

youdao

读者朋友们，你有没有参加过同学会——无论是高中的、大学的、研究生的，甚至是夏令营或“姐妹会”（Greek life）的？

Readers, have you attended any of your class reunions for high school, college, grad school or even for camp or Greek life?

youdao

I：你在大学有没有参加过什么社团活动？

I：Were you invoived in any club activities at your university？ C：·Yes.

youdao

Have you ever participated in similar interesting projects?

你有没有参加过类似的有意思的项目呢？

我遇到的天才们 - SpeakingMax英语口语达人

Have you ever participated in a group project?

你有没有参加过团体项目呢？

在模拟审判课堂 - SpeakingMax英语口语达人