Answers:

08) Hung hasn't played soccer since last year/ for one year.

09) I haven't smoked for two years.

10) She hasn't written since she moved to England.

11) My brother hasn't worked in this factory since last month/ for a month.

12) Maria hasn't planting flowers for ten years.

13) Ba has built this hotel for one years.

14) She hasn't played volleyball for one year/ since last year.

15) We has listening to music since 4 p.m.

16) I have left there since last month/ for one month.

17) How long have you lived here?

18) How long have you known her?

19) How long have you written this book?

20) Ba started working in this factory when he was 18.

Explanation:

- From 1 to 19, using Present Perfect to rewrite the sentences.

- Using Simple Past to rewrite the last sentence (20)

8. Hung gived up playing soccer last year

9. I gived up smoking 2 years ago

10. She gived up writting...

11. My brother give up working...

12. Maria gived up planting...

13. Ba setted up building...

14. She gived up playing...

15. We started listening...

16. I have left since last month

17. How long have you lived here?

18. How long have you known her?

19. When did you write this book?

20. Ba worked in this factory when he was 18 years old

16.