I picked out the right key from the ones on my ring, and we went inside.
"Trying to find the right key," I said, with a certain edge to my voice.
But the man in the dark could not find the right key.
Now all I had to do was find the right key.
Well, one of those 128-bit combinations is the right key.
The front door opened before I had a chance to select the right key.
I was having a hard time getting the right key.
On the second try, he found the right key and unlocked the door.
Or maybe he simply didn't have the right mental key for remote control.
She could not fix her fingers to the right key.