A. geometry B. medium C. witness D. polar A. do some research B. protective C. ugh D. heavy A. Merry Christmas B. graduation C. at the top of D. later A. stress B. wane C. London D. end A. cinema B. AIDS C. badminton D. album A. remain B. her C. get in touch with D. put A. free of charge B. another C. sunny D. toss A. sunburnt B. watchtower C. jeans D. smoothly A. sewing machine B. September C. set down D. in the end A. actor B. terrible C. set in D. by taxi