A. accustom B. syndrome C. refuse D. odd A. mark B. in silence C. improvise D. chart A. suggestion B. nursery rhyme C. frantically D. lots of A. whether B. Berlin C. astronomy D. herring A. bright B. obscurity C. spaceman D. take a vacation A. turn B. soon after C. encourage D. cherry A. output B. silence C. compost D. go swimming A. cocoa B. scoop C. honest D. day by day A. disappearance B. Attract C. knowledgeable D. separate A. explain B. ruler C. weigh D. play the piano