Answer:
When I walked into the room I saw some students were sat (sitting) on stools while others were stood (standing) at the bar. I sat with Suzi and her friends but Lee went and stood with his mates at the bar. "Why you stood (stand) there when you could be sat (sitting) down here with us?" asked Suzi. "I'm happy staying here, thank you," replied Lee.
Step-by-step explanation: