A: Hi, this is Wang Feng!I called you last night, but you didn't reply. What's up？
B: Oh!I have had a bad cold. .
A: Sorry to hear that. You have the same condition as me. ?
B: Yes, I have. My temperature is normal and I'm feeling much better now. By the way, ?
A: You know, I will attend a speaking competition on Campus Safety（校园安全）. As students, how can we protect ourselves in the school？
B: Many ways. . Don't take knives to school. Call the police or tell teachers when in danger and so on.
A: Great!Ha-ha!It seems that you are clearer than me now. . And I'm sure you will get well soon.
B: Thank you!I hope so.
