A. nitrogen B. pig C. in a minute D. never A. on B. during C. in the flesh D. by coincidence A. cat B. toilet C. guess D. nature park A. stereo B. desertification C. soft D. farm A. trade B. chant C. cow D. return A. bud B. candidate C. dog D. in time A. in one's opinion B. bridge C. farmer D. angle A. paradox B. an C. trick D. discovery A. supersonic B. no C. brightness D. orange-and-white A. carve B. sheep C. Spanish D. wriggle