This is a picture of ______, taken from twenty years ago.
In the global economy, a new drug for cancer, ______ it is discovered, will create many economic possibilities around the world.
"Never for a second," the boy says, "that my father would come to my rescue."
I am always delighted when I receive an e-mail from you. ______ the party on July 1st, I shall be pleased to attend.
—Could I use your car tomorrow morning?—Sure. I ______ a report at home.
Lionel Messi, ______ the record for the most goals in a calendar year, is considered the most talented football player in Europe.