1. **which** - "This is the bank which was robbed yesterday." (Câu này nói về ngân hàng, nên dùng "which".)
2. **whose** - "A boy whose sister is in my class was in the bank at that time." (Dùng "whose" để chỉ sự sở hữu của cậu bé với chị gái.)
3. **who** - "The man who robbed the bank had two pistols." (Dùng "who" để chỉ người đàn ông.)
4. **which** - "He wore a mask which made him look like Mickey Mouse." (Dùng "which" để chỉ chiếc mặt nạ.)
5. **who** - "He came with a friend who waited outside in the car." (Dùng "who" để chỉ người bạn.)
6. **who** - "The woman who gave him the money was young." (Dùng "who" để chỉ người phụ nữ.)
7. **which** - "The bag which contained the money was yellow." (Dùng "which" để chỉ chiếc túi.)
8. **who** - "The people who were in the bank were very frightened." (Dùng "who" để chỉ những người.)
9. **whose** - "A man whose mobile was ringing did not know what to do." (Dùng "whose" để chỉ sự sở hữu của người đàn ông với điện thoại.)
10. **whose** - "A woman whose daughter was crying tried to calm her." (Dùng "whose" để chỉ sự sở hữu của người phụ nữ với con gái.)
11. **which** - "The car which the bank robbers escaped in was orange." (Dùng "which" để chỉ chiếc xe.)
12. **whose** - "The robber whose mask was obviously too big didn't drive." (Dùng "whose" để chỉ sự sở hữu của tên cướp với mặt nạ.)
13. **who** - "The man who drove the car was nervous." (Dùng "who" để chỉ người đàn ông.)
14. **which** - "He didn't wait at the traffic lights which were red." (Dùng "which" để chỉ đèn giao thông.)
15. **whose** - "A police officer whose car was parked at the next corner stopped and arrested them." (Dùng "whose" để chỉ sự sở hữu của cảnh sát với xe.)
16. **where** - "This is the station where Emily met James." (Dùng "where" để chỉ địa điểm.)
17. **when** - "July and August are the months when most people go on holiday." (Dùng "when" để chỉ thời gian.)
18. **why** - "Do you know the reason why so many people in the world learn English?" (Dùng "why" để chỉ lý do.)
19. **where** - "This is the church where Sue and Peter got married." (Dùng "where" để chỉ địa điểm.)
20. **where** - "Edinburgh is the town where Alexander Graham Bell was born." (Dùng "where" để chỉ địa điểm.)
21. **when** - "25 December is the day when children in Great Britain get their Christmas presents." (Dùng "when" để chỉ thời gian.)
22. **why** - "A famine was the reason why so many Irish people immigrated to the USA in the 19th century." (Dùng "why" để chỉ lý do.)
23. **where** - "A greengrocer's is a shop where you can buy vegetables." (Dùng "where" để chỉ địa điểm.)
24. **when** - "The day when I arrived was very nice." (Dùng "when" để chỉ thời gian.)
25. **why** - "A horror film was the reason why I couldn't sleep last night." (Dùng "why" để chỉ lý do.)
26. **who** - "The woman who is reading a book is a friend of mine." (Dùng "who" để chỉ người phụ nữ.) "The book which is on the table is not for sale." (Dùng "which" để chỉ quyển sách.)
27. **whose** - "My sister, whose husband is inside the car, can't drive." (Dùng "whose" để chỉ sự sở hữu của chị gái với chồng.)
28. **who** - "He's the boy who delivers the newspaper on Sundays." (Dùng "who" để chỉ cậu bé.)
29. **whose** - "The Indian restaurant whose is in Green street is very expensive." (Dùng "whose" để chỉ sự sở hữu của nhà hàng.)
30. **whose** - "Yes, this restaurant is expensive, but the Chef, whose is a native Indian, is a marvellous cook." (Dùng "whose" để chỉ sự sở hữu của đầu bếp.)
31. **who** - "Who is this man whose wife is looking so sad?" (Dùng "whose" để chỉ sự sở hữu của người đàn ông với vợ.)
32. **who** - "Do you see the dog who is over there?" (Dùng "who" để chỉ con chó.)
33. **which** - "The oranges which you bought were tasty." (Dùng "which" để chỉ những quả cam.)
34. **which** - "A parrot is a bird which can speak." (Dùng "which" để chỉ loài chim.)
35. **which** - "The Amazon region is a rainforest which is full of wild animals." (Dùng "which" để chỉ khu rừng.)
36. **who** - "I don't like people who tell lies." (Dùng "who" để chỉ những người.)
37. **who** - "I like children who are polite." (Dùng "who" để chỉ trẻ em.)
38. **where** - "The school where I studied is very nice." (Dùng "where" để chỉ địa điểm.)
39. **where** - "The zoo is a place where many animals live." (Dùng "where" để chỉ địa điểm.)
40. **which** - "The books which are on the desk are mine." (Dùng "which" để chỉ những quyển sách.)
41. **which** - "This is the house which my husband built." (Dùng "which" để chỉ ngôi nhà.)