A. jigsaw B. while C. premise D. attainment A. scientific B. Oxford C. most D. excitement A. stress B. begin C. diversity D. station A. pleading B. significance C. fright D. sailor A. mortally B. bowling C. divide D. rush A. keyboard B. train C. settler D. although A. pie B. act C. congratulate D. safeguard A. force B. genuinely C. anxiously D. astonish A. voyage B. swimmer C. enough D. fossil A. straight B. leisure C. hand-made D. outspoken