What phrase would you use to get someone's attention in a supermarket?

How would you ask for the location of a specific item, like toothpaste?

What is a common way to inquire about the price of an item?

What should you do if you need to know about a specific ingredient in a product?

How can you ask if a product contains gluten?

What should you do if you want to pay with a credit card?

What is the importance of keeping your receipt after a purchase?

What is the difference between 'in stock' and 'out of stock'?

How do you ask if you can have a bag at the checkout?

What is a loyalty card and how does it work in supermarkets?