David, get up early, ______ you won’tcatch the early bus.
He can’t ___________ the difference between right and wrong.
In my opinion, soccer is _____________ sport in the world.
— Would you like _________ to drink?— An iced coffee, please.
— _________ I use your telephone?— Yes, of course.
The 30th London Olympic Games ____________ on July 27th, 2012.