现在所有的孩子都离开家了，她感到很孤单。

She gets ___lonely now that all the kids have left home.

他在乡下过着农民孤独的生活。

He leads a ___lonely life as a farmer in the countryside.

如果他们当时不在那里，我会非常孤独。

If they had not been there, I would have been very ___lonely.