Choose the best answer among A, B , C or D. 11. Bogota, _________is the capital city of Columbia, is a cosmopolitan city. A. who B. that C. which D. where 12. Sally lost her job, _________wasnt a surprise. A. which B. who C. whom D. that 13. The land and the people _________I have met are nice. A. that B. who C. which D. whose 14. The chemistry book _________was a little expensive. A. that I bought it B. I bought that C. what I bought D. that I bought 15. I hardly understood _________ she was saying about her dream. A. which B. that C. what D. why 16. The girl _________ I borrowed the dictionary asked me to use it carefully. A. whose B. from whom C. from whose D. whom 17. The pollution _________ they were talking is getting worse. A. that B. about which C. which D. to which 18. Wednesday is the day _________ a tour guide leads a tour around the town's historical places. A. when B. which C. whose D. where 19. The town _________ the folk festival is taking place is usually a quiet resort. A. when B. where C. whom D. which 20. The reason _________ she was absent from class yesterday was told to the teacher. A. that B. when C. which D. why