A. medicine B. cheerful C. visual D. preview A. critical B. vitamin C. leaflet D. soda A. smuggler B. including C. supersonic D. face-to-face A. hold B. bring down C. single D. as long as A. after-school B. basic C. librarian D. farmer A. erode B. sea level C. medical D. inhabitant A. colonel B. patient C. gathering D. at a time A. can B. officer C. light the candles D. pain A. silk worm B. reader C. ripe D. worry about A. became B. granny C. carry on D. western