1. I have been studying English for eight years, and I can now communicate fluently with native speakers.

2. In eighth grade English class, we are learning about different literary genres and analyzing their themes and symbols.

3. My English teacher in eighth grade is very knowledgeable and always encourages us to participate in class discussions.

4. As an eighth grader, I am expected to write essays with proper grammar, punctuation, and organization.

5. In our eighth grade English curriculum, we are exploring various Shakespearean plays and analyzing their characters and plotlines.

6. I have been assigned a research project in my eighth grade.

7. Repent, for the kingdom of heaven is near.

8. Rejoicing in hope, patienting in trabulation.

9. Never put off until tomorrow what may be done today.

10. Thanks for asking/inviting me to your party.

11. Sorry, can I see her before Friday？

12. Initiative is doing the right thing without being told.

13. What about you？

14. travel around the world.

15. invite sb. to do sth.

16. I'm busy doing my homework.

17. Please take the book to the right position.

18. I won't go to bed until my mom comes back.

19. It's time for class.

20. It's time to get up.

21. Have you ever been to anywhere interesting？

22. Most of us took quite a few photos.

23. I like to read something interesting.

24. Where did you go on vacation？

25. Did everyone have a good time？

26. What did you do on vacation？

27. Did you go anywhere on vacation？

28. Did you go with anyone？

29. Did you buy anything special？

这些句子涵盖了不同的语法结构和表达方式，适合八年级学生学习和使用。