It remains ______ whether Jim will be fit enough to play in the finals.
What do the five rings on the Olympic flag ___________?
Visitors were _______ at the ________pictures that the guide showed.
I can never forget the day ________ we worked together and the day ________ we spent together.
Is this the reason _______ he was late for the meeting?
I have many friends, _______some are businessmen..