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Ben, Ella and Timmy are talking about the jobs people do. "There are so many jobs in the world," Ben says. "Which one do you think is the coolest (最酷的)?"
"I think the coolest job is an ice cream salesgirl," Ella says. "I sell ice cream every day. I could eat as much as I want."
"I think the coolest job is a computer game designer (设计师)," Timmy says. "I design all the games and I can try them first to see if they are fun."
"I think the coolest job is a fireman," Ben says. "I can drive the fire truck. I put out fire. I save people's lives.
Because the fireman can ____.