Look at these photographs. Where can you buy these products?
The clothes I can buy at the shopping center,
I can buy clothes in the shopping center,
Thank you so much.
The clothes I can buy in the shoping center,
I can buy clothes from shopping centre, I can buy the meat from butcher's while fruits & vegetables from greengrocer's
The clothes I can buy the clothes at in the shoping center.
So I would say "I can buy the clothes at the shopping centre, the meat from a butcher and the fruit and vegetables from the greengrocer."
Sigue asi! Vas bien!