A. pollute B. we C. smooth D. cheese A. at B. chart C. sadness D. sexual A. its B. plenty C. see a film D. be weak in A. rostrum B. French fries C. superstructure D. lyrics A. wriggle B. make use of C. skeleton D. spare A. in the morning B. stagger C. humanity D. lifetime A. especially B. now that C. pity D. incorrectly A. hypocrisy B. water C. truck D. perform A. shut off B. expertise C. freely D. vertically A. vary B. crest C. down D. ray