A. gatekeeper B. respond C. wait a minute D. talk about A. mercy B. password C. commitment D. inquire A. maybe B. rhino C. twenty-third D. fire A. carpet B. brochure C. hawker D. in a minute A. weightlessly B. species C. supersonic D. dash A. against B. unexpected C. begin with D. What would you like A. impending B. prompt C. protect from D. retreat A. help B. backstage C. extinction D. classify A. ancestor B. grow C. inspect D. as good as A. hilly B. curiosity C. ending D. passenger