We saw the audience clapping their hands when the popular singer appeared on the stage.
问题描述：
We saw the audience clapping their hands when the popular singer appeared on the stage.
为什么audience和popular singer前面都要加the?
答
这里的the是特指的意思.这句话应该要联系全文来看,它可能是特别指出是那些观众和那个歌手.