这首歌的副歌很容易记住。

The ___choruses of this song are easy to remember.

学校合唱团将在下周的音乐会上表演。

The school ___choruses will perform at the concert next week.

音乐剧中的合唱团在每幕之间演唱优美的和声。

The ___choruses in the musical sang beautiful harmonies between scenes.

当演讲者宣布好消息时，人群中爆发出热烈的欢呼声。

A ___chorus of cheers broke out when the speaker announced the good news.