那是她唱歌的那部电影吗？

Is that the film in ___which she sings?

他儿子的去世是他从未完全恢复的经历。

The death of his son was an experience from ___which he never fully recovered.

这不是我投入大量思考的主题。

It isn't a subject to ___which I devote a great deal of thought.