Giúp mình 5 câu nhận dạng tính từ siu dễ này nhaaaaaâ 10. …. 10. Some apparently …. drugs can be lethal when used in combination. A. harmful B. harmlessness C. harmlessly D. harmless 11. …. 11. The government's …….. policies have led us into the worst recession for years. A. economical B. economy C. economic D. economics 12. …. 12. What's the most ……… way of heating this building? A. economical B. economy C. economic D. economics 13. …. 13. Boys remain ………. even after becoming grown- up . A. childish B. childlike C. childhood D. childishly 14. …. 14. Physical and mental strength will be the … factors in today's match. A. decide B. decisively C. decisive D. decision 15. …. 15. His eyes were light blue and …….. in their innocence. A. childlike B. childish C. childcare D. childless