A. arm in arm B. animal C. sell out D. training A. window B. physics C. mention D. panda A. why B. sketch C. exercise D. parade A. lovely B. roller-blading C. element D. out of breath A. sportswoman B. NASA C. sheep D. platform A. tone B. cow C. ticket D. chick A. direction B. vowel C. pig D. refinement A. clear B. horse C. read English D. colonel A. allow B. who C. butterfly D. unforgettable A. desk B. oblige C. elephant D. clamp