Final answer:
The sentence can be correctly completed with 'repair,' 'mend,' or 'fix' as they are synonymous in the context of restoring shoes. The craftsmanship of shoemaking once involved personalization, but it evolved with the adoption of the putting-out system for standardized production.
Step-by-step explanation:
The sentence 'My father used to repair/mend/fix our shoes.' can be completed using any of the options provided as they are all verbs related to restoring something to a good condition. Historically, a shoemaker or cobbler was a craftsman who specialized in building and repairing shoes. They often measured their customers' feet to cut and stitch customized footwear.
The process of shoemaking and repair changed dramatically during the late eighteenth and early nineteenth century, where merchants in the Northeast adopted the putting-out system. They hired farming families to perform specific tasks in the production process for a set wage. For example, in the case of shoes, American merchants hired various groups to produce shoes in a more standardized and cost-effective way.