Поставьте артикль где необходимо when I heard __knock at __ door,

Поставьте артикль где необходимо when I heard __knock at __ door, I went to answer it and saw__woman in __green jacket standing outside. She sad she was__ member of__charity organization and was collecting __ money for __ poor people I asked her __ name of__ organization and she gave it to me. I didn't recognize __ name. She seemed __ very pleasant person and we talked for __long time. She said she liked helping __ other people. I decided to give her some money and left __living room to look for my purse in __ bedroom. I was out of__room for__couple of minutes. When I came back , __ woman had gone. __ window was open. I looked out. There was no sign of __ woman, but__green jacket was on __ grass. What __ strange thing!