Uh-huh.
3 seconds sound clip from the Superman (1978) movie soundboard.
You can hear this line at 01:57:41 in the Blu-ray version of the movie.
Quote context
[...]
- Lois? Lois? Anybody home? Hello? Lois?
- Lois, for goodness' sake, did you even hear me knocking?
- Uh-huh.
- Lois, we did have a date tonight, remember?
- Oh.
- Well, I should certainly hope not.
- Well, let's push off, shall we?
- I'd better get a coat. It might be kind of cold out.
[...]