Where can I learn English about business

Learn all the key phrasesIn the supermarket

Excuse me, do you work here?
Excuse me, do you work here?
Excuse me, could you help me?
Excuse me, could you help me?
Do you have any whole-grain cereals?
Do you sell salt and vinegar chips?
Do you sell salt and vinegar chips?
Could you tell me where granola bars are?
Can you tell me where to find granola bars?
Where can I find the international food section?
Where can I find the international food department?
I need to find some Indian spices.
I am looking for Indian spices.
I'm looking for potato chips.
I'm looking for potato chips.
I'd like a bottle of milk, please.
I would like a bottle of milk, please.
How much is a bottle of milk?
How much does a bottle of milk cost?
Is this product on sale?