14. Thupc ve tinh than 15. Ngoai dpng tir 16. Npi dpng t£r 17. “Who?”/ “What?” 18. Dong tiif lien ket 19. To be 20. Tinh tir C&u h o i tr&c n g h iem 1. a 2. b 3. c 4. d 5. b 6. d 7. c 8. c 9. d 10. a 25