A. simplify B. pour C. quietly D. watercolour A. pianist B. observatory C. constant D. purity A. must B. boring C. novelist D. nature shows A. Nile B. snail C. come true D. emergency A. find out B. finish C. male D. put up A. pavement B. shoulder C. understand D. bund A. frantically B. ground C. neighbour D. supersonic A. safely B. pass on C. environment D. peculiar A. clown B. black rhino C. compare to D. meet with A. take care of B. circus C. raid D. aspect