Without the help of people from every corner of the world, people in Wenchuan County, Sichuan Province__________recovered very quickly from the May Twelfth Earthquake.
A、must not have
B、couldn‘t have
C、may not have
D、can‘t have
22()
A、in fact
B、eventually
C、practically
D、as a matter
_________ Chicago is a beautiful city today,but_________ Chicago of the 1920s was a very dirty place.