A. nostril B. scaly C. herd D. family A. concern B. member C. technician D. researcher A. pretend B. initial C. selfish D. driver A. play with B. doctor C. season D. bedding A. dive B. Paris C. multiple D. these A. concentration B. choke C. walk off D. beard A. mass B. assorted C. day and night D. cousin A. life B. adequate C. change D. all day long A. high B. police C. drew D. glint A. shatter B. run away C. rider D. run-down