A number wrote about the mediocrity of their local public schools.
Which meant that any number of people might have owned it and written the figures in the back.
Over the years a large number of famous composers have written for the band.
Large numbers of the population could not read and write then.
A number of critics wrote satirical comments about society's relationship to the film.
A number of users wrote to me about it.
He took a paper from another stack, wrote a number on a blank line.
We've got a number of companies have written indicating that they're going to be using it themselves.
A significant number of people have written to the government to protest this legislation.
Mildred took her to the bedroom, wrote a number on a piece of paper.