莎拉脸上带着灿烂的笑容蹦蹦跳跳地进了房间。

Sarah ___bounced ___into the room with a big smile on her face.

音乐会上，粉丝们兴奋地蹦来蹦去。

The fans were ___bouncing ___around excitedly at the concert.

小狗精力充沛地沿着小路蹦跳。

The puppy ___bounced ___along the path, full of energy.