听到这个好消息，她的脸上洋溢着喜悦。

Her face was filled with ___joy when she heard the good news.

看到孩子们在公园里玩耍真是件令人开心的事。

Watching the kids play in the park is such a ___joy.

看到学生们取得了进步，老师的心中充满了喜悦。

The teacher felt great ___joy seeing her students make progress.