9. A. treasure B. vision C. discussion D. decision 10. A. exhibition B. action C. question D. tradition 11. A. collect B. clean C. city D. cracker 12. A. pottery B. melody C. modal D. profit 13. A. near B. clear C. dear D. learn 14. A. knocked B. needed C. founded D. wanted 15. A. spring B. swimming C. think D. realize 16. A. country B. hungry C. fly D. every 17. A. why B. who C. when D. what 18. A. finished B. reported C. landed D. succeeded 19. A. celebrate B. lazy C. vacation D. mechanic 20. A. conclusion B. ensure C. rush D. mission