If you want to _________ you must work hard while you are still young.
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.
He made _____ known to his friends that he didn’t want to enter politics.