B 2. D 3. B 4. A 5. B 6. A 7. A 8. B 9. A 10. A

1. - BAI 23 DAP AN PHUONG PHAP GIAI BAI TAP VE SAT VA HOP CHAT KG V2
BAI 23 DAP AN PHUONG PHAP GIAI BAI TAP VE SAT VA HOP CHAT KG V2
1. B 2. D 3. B 4. A 5. B 6. A 7. A 8. B 9. A 10. A