She was in on the surprise from the beginning.
We had to let him in on it after he overheard some of us talking.
If you want something different, why don't you trade them in on something else?
Jonathan and I will make sure we fill her in on anything she missed.
It was amazing how children honed in on parents emotions and sympathized.
He would want to know, yet if he did, he might try to drive in on icy highways.
Actually, I just got off my shift and thought I'd check in on her.