chỉ làm từ câu10 đến câu 20 thôi nha

Whom: Làm tân ngữ, thay thế cho người.

Which: Làm chủ ngữ / tân ngữ, thay thế cho vật.

Whose: Chỉ sự sở hữu của người / vật.

Who: Làm chủ ngữ / tân ngữ, thay thế cho người.

Where: Thay thế cho danh từ chỉ nơi chốn 

When: Thay thế cho danh từ chỉ thời gian 

Why: dùng để chỉ lý do 

That: Làm chủ ngữ / tân ngữ, thay thế cho người / vật.

===========================

1. Mary, who lives next door, is my best friend. 

2. The man who owns a dog is my neighbor. 

3. The dress which I bought yesterday is very beautiful. 

4. The bok which is about history is interesting. 

5. The teacher who gives a lot of homework is strict.

6. The house which needs to be repaired is old. 

7. The student who won the competition is very smart. 

8. The movie which I watched last night was great.

9. The professor who always helps the students is kind. 

10. The city which is located by the sea is beautiful. 

11. The restaurant which serves delicious food is popular. 

12. The car which has many features is expensive.

13. The shirt which is comfortable to wear is made of cotton. 

14. The park which has a playground is big.

15. The violin which my brother plays is broken. 

16. The mountain which is covered with snow is high.

17. The flower which has a sweet smell is beautiful. 

18. The painting which was painted by a famous artist is expensive.

19. The computer which helps me with my work is fast. 

20. The teacher who expects a lot from her students is strict.