A. Choose the best answer among A, B , C or D. 20) The pollution ______ they were talking is getting worse. A. that B. about which C. which D. whom 21) The engineer ______ our company relies is on holiday. A. who B. on whom C. whose D. whom 22) The dam ______ they plan to build will cover acres of forest. A. which B. to which C. whom D. where 23) He is a talented cricket player ______ abilities include fast bowling and powerful batting. A. where B. whose C. whom D. of which 24) Eastern Rwanda is very different from the South-west, _____ monkeys, birds and orchids thrive in the high altitude primary forest. A. when B. where C. which D. why 25) Wednesday is the day _________ a tour guide leads a tour around the town's historical places. A. when B. which C. whose D. where 26) Robert Riva, an Italian ____ used to play for Cremonese, now coaches the Reigate under 11's football team. A. when B. which C. where D. who 27) The town _________ the folk festival is taking place is usually a quiet resort. A. when B. where C. whom D. which 28) As a celebrity ______ many children admire, it is important for her to act responsibly. A. when B. where C. whom D. whose 29) We always hold a family barbecue in our garden on Independence Day, ______ was on a Tuesday this year. A. what B. that C. when D. which 30) When I was at school, there was a girl in my class ______ skin was so sensitive that she couldn't expose her skin to the sun even with cream on. A. where B. whose C. whom D. that 31) We'll row until the spot _____ the river bends and then we'll turn back. A. where B. when C. whose D. which 32) On the days ______ I feel I need to reflect on the past and plan my future, I sit by the river and watch the swans swim past. A. when B. where C. whose D. which 33) My mother's Elvis Presley tape, ________ she listened to every day, has broken in the music centre. A. whose B. that C. where D. which