(10 POINTS) - 1 POINT FOR EACH CORRECT ANSWER

21. - GIAO AN TA 6 KI HAPLINH
GIAO AN TA 6 KI HAPLINH

21. D

22. A

23. D

24. C

25. D

26. B

27. B

28. B

29. C

30. C

Part2: (10 points) - 1 point for each correct answer