听下面一段材料,回答第1至3题。 1. Where does the man live? [ ] A. l7 Mallett Street. B. 70 Mallett Street. C. l7 Marrett Street. 2. Which house is on fire? [ ] A. Number 16. B. Number 18. C. Number 20. 3. Why is there nobody in the house on fire? [ ] A. They went shopping. B. They went to work. C. They went abroad on holiday.