In that train accident, _____ who were killed was more than 2000.

One third of the country ________ covered with trees and the majority of the citizens________black people.( 2011·湖南)

The brown trousers _______ 70 dollars. And that white pair of trousers _______ 80 dollars.

 As a result of destroying the forests, large ____ of desert ____ covered the land.

To get as much first hand information as possible，inspectors will hold workshops and distribute questionnaires，       .