BT 1. Xác định dạng của những từ sau: 1. beauty ( ), beautify ( ), beautiful ( ), beautifully ( ) 2. reasonable ( ), reason ( ), reasonably ( ) 3. industry ( ), industrial ( ), industrialize ( ), industrious ( ) 4. comfort ( ), comfortable ( ), comfortably ( ) 5. invite ( ), invitation ( ) 6. care ( ), careful ( ), careless ( ), carefully ( ), carelessness(…………..) 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. freedom 17. safety 18. Imaginary 19. Secondary 20. Enlage 21. Widen 22. Truth 23. Nature