| 听下面一段材料，回答第1-4题。 |
| 1. On which floor do Mary and John live? |
| A. On the 8th floor. B. On the 18th floor. C. On the 80th floor. |
| 2. What did the neighbors do when they knew that the children were in the flat? |
| A. They reported it to the firemen quickly. B. They reported it to the police in no time. C. They managed to open the safety gate. |
| 3. Who finally managed to save the children? |
| A. The firemen. B. The police. C. The neighbors. |
| 4. What did the children's mother do at midnight? |
| A. She was ill and went to see the doctor. B. She went to look after her sick parents. C. She went to visit a sick friend. |