All but one __ take part in the conference __ tomorrow.
While he was investigating ways to improve the telescope, Newton made __ discovery which completely changed __ man’s understanding of color.
The most important thing about cotton in history is __ part that it played in __ Industrial Revolution.
When he left __ college, he got a job as __ reporter in a newspaper office.
__ on-going division between English-speaking Canadians and French-speaking Canadians is __ major concern of the country.
If you buy more than ten, they will knock 20 pence off __.