I had hardly got to the office ______ my wife phoned me to go back home at once.
most parents care about is to provide the best education for their children.
The dancers, all of _______ masks came off suddenly, gave us a great surprise.
The 30th Olympic Games, _______ between July 27 and August 12 in 2012, will take place in London.
—Which skirt do you prefer, Lucy?— _______ I'm concerned, the purple one is better.
Every camera we sell in our shop comes with a two-year _______ .