A. jazz B. mankind C. deteriorate D. adverse A. Spring Festival B. Lancaster C. fiance D. Austrian A. bulletin B. mix C. evolve D. lifeboat A. director B. be concerned about C. foundation D. mere A. labor B. steady C. weekend D. symphony A. chain B. opening C. musician D. anxiety A. front B. heat C. thirteenth D. lose A. apology B. hami melon C. back D. solo A. vivify B. puzzled C. audience D. spaghetti A. woollen B. pumpkin C. dust D. catchy