_________ is known to us all is that the 2012 Olympic Games will take place in London

It’s always hard to remember a name when one doesn’t have a face to go with ______.

you erase the blackboard today, __________—But I did it yesterday.

John’s success has nothing to do with good luck. It is years of hard work _____has made him what he is today. [ ]

We’re having a meeting in half an hour. The decision______ at the meeting will in the future of our company.