根据上下文的意思补全对话。在横线上写出所缺少的内容。 A: Excuse me. I'm looking for a shop to buy a newly-typed mp4. 1. ______________________________________________________? B: Certainly. You can get one in Wal-mart. It's near here. A: 2. ______________________________________________________? B: You can take a free regular bus (班车). A: 3. ______________________________________________________? B: Only ten minutes. A: 4. ______________________________________________________? B: Go across the street. The bus stop is just over there in front of the white building. 5. _____________________________________________________. A: Thanks a lot. B: You're welcome.