The teacher _______ have thought Johnson was worth it or she wouldn't have wasted time on him, I suppose.
It was _____ opportunity to miss.
The lift in that tall building went wrong and got trapped _____ floors. People in it had no way to get out.
-----“How long have you stayed in this hotel?” ----- “Not long, just ______ this Monday.”
So far, several ships have been reported missing _______ the coast of Bermuda Island.
It used to be thought _____ the Earth was flat.