A. attention B. descend C. overwhelmingly D. machinery A. deprive B. eating C. star sign D. pollution A. pack up B. schoolyard C. gray D. skeptical A. litter B. of all ages C. criterion D. pull together A. leaky B. cautious C. carpet D. regulation A. least B. strychnine C. simply D. prepare for A. yacht B. waste C. longer D. recommend A. listeria B. dispute C. explain D. point A. dark B. used C. first prize D. whose A. scan B. unforgettable C. help D. ant