an entrepreneur who opens a franchise must\nassume debts.\nkeep profits.\noffer training.\nselect sites.

Brief Explanations:

When an entrepreneur opens a franchise, they often have to take on financial obligations related to the franchise - such as paying franchise fees, equipment costs etc., which can lead to assuming debts. Keeping profits is a goal but not an immediate must - have action. Offering training is usually the franchisor's role in many cases. Selecting sites may be part of the process but is not the most fundamental must - do compared to financial aspects.

Answer:

assume debts.