An completely new district of industry has appeared in ________ used to be wasteland.
________of the land in that district________covered with trees and grass.
________of the people on the Net ________China's economy is among the strongest in the world.
Nobody but doctors or nurses and those ________ by Dr. Hu________ to enter the patient's room.
The population of China ________ 1.3 billion,and 80% of the population________farmers.
Every possible means ________ to prevent the air pollution,but the sky is still not very clear.