Matching Pairs Unhealthy foodOnline version Match the words with the definition by Oihane Ruan 1 Refill 2 Checkout 3 Advertise 4 Aisle 5 Specialist the act of filling something up again after it has become empty having expert knowledge in or focusing only on a particular subject, field, etc to tell people about a product, service, job, etc a passage between a row of seats, shelves, etc. the place in a store where you pay for things