For an eighteenth-century middle-class colonial woman, what would have been the top priority in daily life?

Cooking the family meals.

Explanation:

During the eighteenth century, the condition of the middle-class women was restricted to their respective households. They were raised in a manner to best serve their husbands and families after their marriage. Their conditions were more deteriorated than the women who belonged to the lower class as they have to work on the fields to support their families.