1. I have a friend who can speak three languages.
2. This is the park where we used to play.
3. My father bought a car which is very fast.
4. The man who works at the bakery is very friendly.
5. The dress which is in the shop window is beautiful.
6. The boy who helped me yesterday is my neighbor.
7. I saw a bird which had bright blue feathers.
8. The girl who solved the puzzle quickly is very intelligent.
9. The museum which we visited last summer is very famous.
10. I have a cousin who is a great musician.

Các từ quan hệ được sử dụng:

• Who: Dùng cho người.
• Which: Dùng cho vật.
• Where: Dùng cho nơi chốn.