补全对话(共5小题,计5分) A: How long have you been playing basketball? B: 【小题1】 . A: How long have you been playing basketball today? B: 【小题2】 . A: 【小题3】 . B: Yes, I do. A: Is this your first basketball marathon? B: 【小题4】 . 【小题5】 . A: I don’t like playing basketball. I like reading. A. For five hours. B. Do you play basketball every day? C. Five hours ago. D. What about you? E. Since I was nine years old. F. Yes, it is.