AVN 110 · Aviation PracticeSession 4 · Hour 1 · A card and a stampInstructor cue 안 적으면 열린 일이다.90 minNow Open · 5 min left · next Demo한ENScriptBodyClearHour 1A card and a stampHour 2Follow A card and a stampHour 3Your turn · A card and a stampHour 4Check A card and a stampThis browser cannot play the film.CheckIf it is not logged, it is open. Week 4: name, order, result. Then If it is not logged, it is open.