.What a great weight the mother felt _____ her mind the moment she found her lost son!
Everyone, please remain ____ until the plane has come to a complete stop.
I still remember ____ to the Summer Palace and what I saw there.
Most birds find it ____ to sleep in the trees.
Edward couldn’t remember when he first met Mr. Crook, but he was sure it was ____ Sunday because everybody was at ____ church.
---Would you mind if I take the seat? --- _____.