A. detect B. visitor C. sound D. contaminate A. discipline B. now and then C. Mediterranean D. rock A. reinforce B. bargain C. too to D. believe A. frequent B. fact C. poor D. calm A. running B. elder C. substance D. pest A. steward B. confident C. another D. unwilling A. both B. according to C. satiation D. atlas A. abandoned B. foundation C. sack D. century A. shorten B. ship C. paradox D. freezing A. sad B. midnight C. sprout D. chant