从方框中选出能填入空白处的最佳选项。 A. You did a good job today B. Thank you C. I see D. Was this your first marathon champion E. How fast you run F. how long have you run today G. I hope I can run fast,too A:Nick. Congratulations on winning the marathon this time! B: 1 . It's hard for me to win this time. A:You are right. But 2 ? B:For over 2 hours. A: 3 ? B:No, I got one last year. A: 4 , Nick. Do you run every day? B:Yes, I do.I have been running since l was a school boy. At that time I got my first sneakers on my seventh birthday from my father. A: 5 . But who taught you to run? B:I ran all myself at first, then my father helped me a lot. 1.______2.______3.______4._____5.______