A. monument B. Berlin C. sophistication D. impersonal A. barbarian B. play and act C. adjust to D. tuck A. progressive B. nebula C. freshen D. jet A. cup B. perform C. controversial D. college A. prevailing B. heavy C. go sightseeing D. painlessly A. dirt B. radio frequency C. effectiveness D. during A. hydrogen B. tea art C. consequence D. assiduously A. serious B. radio astronomer C. more than D. headlight A. queen B. resentful C. teacup D. stereotype A. preliminary B. problem C. twenty-nine D. parents