A. cookies B. emission C. subject D. introduction A. by accident B. serenity C. run-down D. play a trick on A. advice B. risk C. violet D. Germany A. pedestrian B. conversation C. shell D. exhausted A. compost B. became C. obey D. rim A. as B. follow C. comfortable D. uncomfortably A. warn B. remarkable C. schooling D. announcer A. get through B. yearbook C. teenage D. Roman A. aloud B. aerospace C. use D. in public A. shade B. no wonder C. conclusion D. firm