A _______ number of mothers with young children are stopped from undertaking paid work because they lack access to childcare.

A study has proven old people who are ______eaters of fish during their youth lose fewer brain cells. 

It was really ________ of your brother not to play the guitar while you were preparing your lessons. 

The pilot asked all the passengers on board to remain ______ as the plane was making a landing. 

Mistakes don’t just happen, but they occur for a reason. What we ought to do is find out the reason and then making the mistakes _____________.