She can dance and sing well.

她跳舞和唱歌。

She has been labouring to sing well.

她一直在努力地唱好。

To my surprise, I found him sing well.

使我吃惊的是他歌唱得很好。

My friends sing well.

我的朋友们歌唱得好。

You sing well.

你唱得很好。