听下面一段材料,回答第1至3题。 1. When is the man supposed to check in? [ ] A. At 10:30 a.m. B. At 10:00 a.m. C. At 9:30 a.m. 2. Where is the man leaving for? [ ] A. London. B. Paris. C. Scotland. 3. Why does the man feel nervous? [ ] A. Because he lost his ticket. B. Because he lost his boarding pass. C. Because he has never taken a plane before.