I’m sorry, but I didn’t mean to keep you waiting here for a long time. Can you _______ me?
At the end of the meeting, it was announced that an agreement ______.
Please keep me _____ what happens.
______ the chairman of the council, the vice chairman does duty for him.
In the competition to be held, a gold medal, together with a certain sum of money, _____ the champion.
You can only be sure of _____ you have at present; you cannot be sure of something _____ you might get in the future.