There are a number of reasons as to why these children do not go to school.
The system should not have worked, for a number of good reasons.
The second book is particularly important for a number of reasons.
But the money doesn't go as far that way, for a number of reasons.
For a number of reasons, she decided it had to be him.
In practice they do not always turn out so much better, for a number of reasons.
That did not quite work out for a number of reasons.
In the past, I could have given them a number of reasons.
This would never have happened for a number of reasons.
There could be a number of reasons why the site is not working.