From the look in her eyes, she already had a pretty good guess.
You could usually make a good guess as to the time.
And we can make a pretty good guess as to why.
Reading between the lines he could make a pretty good guess at what had happened.
He didn't even have time to make a good guess!
I had a pretty good guess who the third party was.
He'd never seen anything like it before, but he had a pretty good guess.
Though he could make a good guess who they all were, at this point.
It's a good guess they would not have said thank you.
She had a pretty good guess what this would be about.