I'm doing my homework. You're washing your coat. He's watching TV. They're waiting for the train. What's going on there? She's watering the flower. I'm playing the piano. You're having breakfast. He's working on a project. They're running. He's swimming. She's fishing. He's talking to her. We're argueing some problems. They're drawing pictures. Are you helping your friends? The trees are being planted. He's listening to the radio. My father is repairing the car. My mother is closing the door. 本文来源：https://www.wddqw.com/doc/ac2191f6270c844769eae009581b6bd97f19bc3b.html