他们安顿在沙发上看电影。

They ___settled ___down on the sofa to watch the film.

好了，同学们，停止聊天，请安静下来！

Come on class, stop chatting and ___settle ___down, please!

你应该欢迎你的亲戚，让他们安顿下来，并请他们等一会儿。

You should welcome your relatives, make them ___settle ___down and ask them to wait a moment.