... 5- B 6- 20. Vocabulary & Grammar. (3.75pts) 6. B 7. A 8. B 9. B 10. C 11. D 12. D 13. C 14. B 15. C 16. B 17. B 18. C 19. A 20. B21-30. Reading. (2.5pts) 21.D 22. B 23. A 24. B 25. B 26. ... 2,3,4, 16, 19 1,25Caâu1,10,11,12,141,25 Caâu 13,15,17,18,20 1,2515 3,75III. ReadingCaâu 22,23,24,301,0Caâu 21, 26, 280,75 Caâu 25,27, 29 0,7510 2,5IV. WritingCaâu 32,34, 36, 37,38,40 ... A lot of small fish died and floating on the water surface.C. A lot of small fish died and floated in the water surface.D. A lot of small fish died and floated at the water surface. 36. A....