1. The person ___ helped me was very kind.
2. She visited the town ___ she grew up.
3. That's the writer ___ book I lent you.
4. They live in the house ___ door is always open.
5. I don't like the food ___ is served here.
6. That is the company ___ products are exported worldwide.
7. We walked through the park ___ the trees were in full bloom.
8. She’s the singer ___ voice captivates everyone.
9. He mentioned a book, ___ title I can’t remember.
10. They visited many cities, ___ had interesting museums.
11. The author, ___ book you borrowed, won several awards.
12. He failed the exam, ___ was a huge surprise to everyone.
13. We went back to the beach, ___ we first met.
14. She has three dogs, all of ___ are rescue animals.
15. That's the scientist ___ discovery changed the course of history.
16. I will never forget the day ___ we first landed on the moon.
17. The hotel ___ we stayed was very comfortable.
18. She talked about her childhood, ___ she spent in the countryside.
19. He’s looking for the documents ___ contain the annual report.
20. The conference, ___ was held in Paris, attracted many scientists.
