I feel for you. My missus talks in the cinema too. That's why I no longer take her to see a film I actually want to watch. Although that's the only annoying habit my missus has so I can't really fault her.
I find it hilarious that this annoys you. Most women would be annoyed if a man didn't give them their undivided attention when they were being asked a question - at least from my experience.
Plus, and here's the kicker, most men know they have to pay attention so that they don't say yes to...