A. February B. exhibition C. rent D. rapid A. sure B. sophistication C. admirable D. keep in touch with A. spaceship B. its C. police officer D. encounter A. immigrate B. teach C. ending D. polar A. underwater B. Canadian C. circular D. junk food A. sushi B. innovator C. plane D. slow down A. eruption B. show C. sick D. accompany A. spell B. economical C. widespread D. have a look A. sorghum B. rebound C. turn D. bend A. Spanish B. parquet C. by train D. at an end