Translation of pluperfect in Spanish

The entrance hall where the passports were checked was renovated and had many ads for products from Western countries. Once we passed it and picked up our luggage we were looking for a ride into the city.
I understand that you use the article 'die' when talking about a feminine object, das when the subject is neutral, and der when talking about a masculine object. But how can you remember all these?
Instead, we gave him one of our Swiss chocolates as a gift so he would leave us alone. It worked: the boy went to the couple sitting next to us and tried to sell our Swiss chocolate for 2 Pesos.