It was cold and windy. Mary was sitting in the sitting-room, she was reading todays news paper.

　　Suddenly, she heard a noise, hiss hiss , John came in then. Mary asked, Do you hear a noise like hiss hiss? Oh, yes. I heard it. Suddenly, they heard another noise, hum hum, Oh, theres green light outside the window. John said, I feel very much afraid.