It’s time for class, but Ben is not in the classroom. Mr. Gore: Where is Ben, Jack? Jack: Sorry, I don’t know, Mr. Gore. Kelly is Ben’s good friend. I think she knows where he is. Kelly: Mr. Gore, Ben is late. Mr. Gore: Well, he broke ( 违反 ) the school rule. What time does he leave home in the morning? Kelly: He usually leaves home at twenty past seven. Mr. Gore: Where does he live? Kelly: He lives near ( 在 ...... 附近 ) our school. Mr. Gore: How long does it take him to come to school? Kelly: Just ten minutes on foot ( 步行 ). Mr. Gore: But why is he late? Kelly: Sorry, I don’t know. Sam: Look, here he comes. Mr. Gore: Ben, why are you late for school? Your home is not far from our school. Ben: I’m sorry, Mr. Gore. There is a big sign ( 指示牌 ) near our school. It reads, “School — Go Slow”.