________ I can’t understand is ________ he wants to change his mind.
The speed of cars is usually limited __________30 miles per hour on the busy city street.
__________ around the fire, the tourists danced with the local people.
We tried to __________ our point that drugs are more than physically harmful, but he just wouldn't listen.
-Would you permit me __________ here?-Sorry. We don't permit __________ here in the reading room.
Although students are __________ to more, they typically know less and are less mature than the generations before.