The number of foreigners that ________ to Huaihua ________still increasing.

According to the statistics, listening to loud music at rock concerts ______ hearing loss in some teenagers in the past 2 decades.

________ of the land in that district _______ covered with trees and grass.

The number of traffic accidents that _______ in developing countries _______ increasing.

Britain ____ many other industrialized countries, ____ major changes over the last 100 years.