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.
There are five pairs _______, but I’m at a loss which to choose.
—What do you think made Mary so upset? —_______ her new bike.
When I handed the report to John, he said that George was the person _______.
She looks forward every spring to _______ the flower-lined garden.
A cook will be immediately fired if he is found _______ in the kitchen.