Question

Answer 1

từ câu 4 nha
B
B -> BEAUTIFULLY
B -> USING
C -> CALLED
A - B - B - D - B - D - D - A - C - D - A
C - D 
C - D 
D

Answer 2

5. B

6. B

7. C

8. A

9. B

10. B

11. D

12. B

13. D

14. D

15. A

16. C

17. D

18. A

19. C

20. D

21. C

22. B

23. D