________ at a speed over 400 kilometers per hour, the train arrived in Pudong International Airport in ten minutes.
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.