A. die out B. genetics C. category D. Halloween A. native B. constant C. console D. for the first time A. title B. waterspout C. brink D. kindness A. confident B. adolescence C. philosopher D. optimism A. the B. double C. microscope D. fuel A. in conclusion B. accuse of C. point at D. lab A. suspension B. feel C. be at war with D. get off A. contribution B. Summer Palace C. aquarium D. napkin A. teaching B. meanwhile C. scholarship D. avoid A. relative B. knock C. pyramid D. justice