The old woman slumped in the sofa.

那个老妇人团坐在沙发上。

After 5 minutes, we all sat in the sofa.

五分钟后，我们都坐在沙发上。

It's in the sofa.

它在沙发上。

He was sprawling in the sofa in front of the TV.

他伸开手脚坐在电视机前的沙发上。