A. inside B. potato C. trap D. medium A. special offer B. landscape C. vibration D. slow down A. themselves B. slip C. classic D. obstinately A. beat B. diver C. fluent D. car pool A. reward B. star C. babysit D. comedy A. surface B. ventilation C. strangely D. painlessly A. eternal B. came C. snowman D. skate A. speed up B. festival C. New York D. oil rig A. firework B. good-humouredly C. shorter D. dull A. thumbs-up B. planned C. single D. beneath