Complete the text with the past perfect or past simple of the verbs in bracelets. 5. I ....... (close) the door before

I had closed the door before I remembered about the keys! They were on the table in my bedroom. I had put them there evening before, and they were still there. My parents had gone on holiday the day before; now no one was at home. Before they left my dad had told me to be very careful about the keys, but I forgot. I had left them inside the house, and shut the door! What could I do?