A. trial B. airport C. by mistake D. radio A. sell B. announcer C. oilfield D. couple A. how B. such as C. forty-four D. rattle A. concert B. roller coaster C. evaluation D. it's A. in relief B. front C. all of a sudden D. seafood A. theme park B. spend C. workbook D. newborn A. takeaway B. unaware C. sincerely D. over A. compact B. on business C. cassette D. arrangement A. compulsory B. habitat C. point D. punctuality A. feel B. lost C. keep fit D. face-to-face