It’s unwise of you to consider his wild behavior as ______ a kid’s game. It may gradually develop into a bad habit.
To keep the air clean, this hospital _____ all the patients ____ in and around it.
The long speech given by that old professor seemed _____ and endless. He felt so _____ that he nearly fell asleep.
I ____to her for stepping on her foot.
He focused his effort ____the house ___sale for fear that the prices of them would go up suddenly.
Harry was so outgoing that he ___ the other children very well in kindergarten.