solo的複數形式是什麼

複數形式是solos，例如：

1、I don't care for music class， because my teacher always wants me to sing solos.我不喜歡音樂課，因為老師總是要我獨唱。

2、A vocal and instrumental piece composed of choruses， solos， and recitatives. A passage to be played softly or quietly.康塔塔，清唱曲一段聲音和器樂的樂段，由合唱、獨唱和宣敍調組成輕聲演奏的樂段要輕輕或靜靜地演奏的段落