A. Ottawa B. bake C. photographer D. both A. politician B. prehistoric C. think over D. anxiously A. superstructure B. lighthouse C. orbit D. ate A. fertilizer B. electric C. politics D. normal A. devise B. swerve C. open space D. part A. found B. scraper C. inflatable D. jumping rope A. maid B. disgrace C. scheme D. aboard A. kill B. congratulation C. voluntary D. permission A. stand in line B. prejudice C. cut D. welcome A. navigator B. quagga C. vocabulary D. flicker