8. disappointment (adj), disappoint ( ), disappointing ( __), disappointed C
9. nation (
), national
_), nationalize ( __), nationality (___
), active
10. act (
11. lazy (
12. education
educational
13. success
14. pollute
15. decide (
16. achieve (
17. destroy C
18. will (
19. obey
20. ...
Xem thêm