A. zoo B. hydrogen C. cool D. sky A. hearing loss B. deal with C. set off D. yes A. get mad B. device C. outer D. good A. extravagant B. small C. submerge D. bus A. by oneself B. conceal C. elephant D. charity A. scurvy B. be friends with C. ought D. sheep A. loop B. witness C. in the evening D. fifteen A. see the doctor B. Mother's Day C. carnivore D. nineteen A. compensate B. economical C. chewing gum D. under A. please B. boot C. base D. see