The most important thing about cotton in history is _____ part that it played in ____ Industrial Revolution.
Most English people have ______ names: _____ name, a middle name and the family name.
Tom began to learn Russian by himself in _____.
--- Would you like to try _____ time? --- Sure.
Our teacher told us to write a _____ composition.
Two _____ died of cold in that country last winter.