In December 2008, Obama was _________________.
Mr. Smith__________ the roll of film as soon as he arrived home
The shop manager always says to his assistants, "We can never be ____customers.
How different is the impression produced by_____________ today!
From the dates _________ on the gold coin, we decided that it was made five hundred years ago.
--Excuse me, I want to have my watch fixed, but I can't find a repair shop.--I know___________ nearby. Come on, I'll show you.