BT 1. Xác định dạng của những từ sau: 1. beauty (____n__), beautify (__v____), beautiful (__adj____), beautifully (__adv____) 2. reasonable (______), reason (______), reasonably (______) 3. industry (______), industrial (______ ), industrialize (______ ), industrious (______) 4. comfort (______), comfortable (______), comfortably (______) 5. invite (______), invitation (______) 6. care (______), careful (______), careless (______), carefully (______) 7. health (______), healthy (______) 8. disappointment (_____), disappoint (_____), disappointing (_____), disappointed (______) 9. nation (______), national (______), nationalize (______), nationality (______) 10. act (______), action (______), activity (______), active (______) 11. lazy (______), laziness (______), lazily (______) 12. education (______), educate (______), educated (______), educative (______), educational (______) 13. success (______), succeed (______), successful (______), successfully (______) 14. pollute (______), pollution (______), pollutant (______), polluted (______) 15. decide (______), decision (______), decisive (______) 16. achieve (______), achiever (______), achievement (______), achievable (______) 17. destroy (______), destructive (______), destructor (______), destruction (______) 18. will (______), willing (______), willingness (______), willingly (______) 19. obey (______), obedience (______), obedient (______), obediently (______) 20. able (______), ability (______), disable (______), disability (______)