The two girls had been talking in ________ low voice all ________ time during the meeting, which upset the manager.
You don’t necessarily have to own _____ latest everything, but you should have _____rough idea of what is changing.
When ________ different cultures,we often pay attention only to the differences .
----How many pens would you like, Madame? ----Well, I want _______ these.
You must have missed the first train yesterday, ________ you?
——I wonder _________ makes the video Gangnam Style so popular. ——The unique dance moves and funny horse riding scenes.