A. distinctive B. earmuff C. ham D. bitter A. decay B. take C. ride D. pass by A. break out B. once C. riding D. at the age of A. die for B. stale C. spirit D. over A. came B. someone C. stiffly D. fly A. mathematics B. keep C. part D. shine A. hat B. anonymous C. exceptionally D. therapy A. height B. desktop C. maple D. pay for A. thus B. stick C. keep a diary D. at weekends A. pile B. brush off C. Europe D. sediment