以下是关于学校活动的英语万能句子：

1. Welcome to our school activity! We hope you enjoy it.欢迎参加我们的学校活动！希望你们能够喜欢。

2. We have prepared a wide range of activities for everyone to participate in.我们为大家准备了各种各样的活动，欢迎大家参加。

3. This year, we have a variety of performances and competitions that showcase our students' talents.今年，我们有各种各样的表演和比赛，展示我们学生的才华。

4. Our school activity is not only about learning, but also about having fun and making new friends.我们的学校活动不仅是学习，也是为了让大家快乐、结交新朋友。

5. We want to make this activity unforgettable for each and everyone of you.我们希望每个人都能够参与这次活动，并让这次活动成为你们难忘的经历。

6. We encourage participation from all students, regardless of abilities and backgrounds.我们鼓励所有学生参与，无论能力和背景如何。

7. We hope this activity can enhance the sense of community within our school.我们希望这次活动能够增强学校内部的凝聚力。8. We are grateful to all the teachers, students, and parents who have worked hard to make this activity a success.我们感激所有教师、学生、家长为了让这次活动成功而努力工作。9. This activity is a wonderful opportunity to showcase the talents and achievements of our school.这次活动是一个展示我们学校才华和成就的良机。10. Let's work together to make this activity a memorable and successful event.让我们一起努力，让这次活动成为一个难忘和成功的事件。