After class begins, we sometimes hear ourselves reciting a lesson in unison. During the lecture, we find everybody listening with close attention.

• 下课了，同学们像蜂巢似地走出教室，活泼地跳跃在操场上，有的跑，有的跳，兴高采烈尽情的游玩，更显出大家天真活泼。