South Korean rapper Psy’s hit song “Gangnam Style” made_______history on Dec. 20th as _______first ever video on YouTube to reach 1 billion views.
If _______ , English teachers must pass the oral and written tests.
The WTO can’t _____ its name if it doesn’t include a country that is home to one fifth of mankind.
He may have seen the film when it was shown last week, _____ he?
If you have to plough the field anyway, you _____ as well plant crops at the same time.
At the sight of the scene of war, my _____ race back more than 50 years to the dark days of 1940.