16. b. anyone

17. A. anyone

18. B. one with flower on

19. c. no one

20. D. were they

IV

1. one

2. one

3. ones

4. ones

5. one

6. ones

7. one

8. someone

9. anyone

10. no one

11. anyone

12. someone

13. Someone

14. anyone

15. someone

16. no one

17. everyone...no one

Ex3

1. Of the two T-shirt I love the red one

2. My mone is cooking a chicken soup, your mom is cooking one, too

3. I like listening to music, especially the one of Britney Spears.

4. I didn't have cell phone in high school because my father didn't want me to have one

5. My parents let me choose a bicycle and I took the white one

6. There are so many celebrations in Vietnam, but I think the most important... thiếu đề

7. We are close friends, we can share each other both our happy stories and sad ones about our life

8. These are the pencils of mine, those are the ones of my younger sister

9. If I were you, I would choose the big back bag instead of the small black one

10. My father want me to study at a private university, but my mother wants me to study at a public one.