听对话,回答1-3小题。 1.When did the boy go to school this morning? A. 7:15. B. 6:45. C. 7:05. 2. How did the boy go to school this morning? A. On foot. B. By bus. C. By bike. 3. How many minutes was the boy late for school? A. Five minutes. B. Fifty minutes. C. Fifteen minutes