请听下面一段材料,回答第1-4题。 1. When did the accident happen? A. On Friday morning. B. On Friday afternoon. C. On Saturday morning. 2. How many teachers were there on the bus? A. 2 B. 4 C. 5 3. What were the students doing when the accident happened? A. They were sleeping. B. They were enjoying music. C. They were preparing for a concert. 4. What do we know from the talk? A. Thirty-five people were treated at hospitals. B. Four students were killed in the accident. C. The accident was caused by careless driving. |