A. rusty B. optional C. awake D. building A. wink B. thirsty C. onto D. version A. exciting B. hay C. ethanol D. spend A. cardboard B. witness C. safe D. told A. culture B. in a row C. pizza D. aborad A. unclear B. news C. anchor D. conservation A. tired B. ought to C. pea D. thousand A. useful B. ample C. Olympics D. dinner A. vertical B. trip C. tourist attraction D. hush A. goalkeeper B. disappointing C. and so on D. drum