根据下面对话中的情境,在每个空白处填入一个适当的语句,使对话恢复完整。 A: Hi, Bob! How was your last weekend? B: 1. I really had a good time. A: 2. B: I played basketball. A: 3. __ B: Twice a week. I like it very much. How did you spend your last weekend? A: 4. __ B: Sounds interesting. Do you often go to the mountains? A: Yes. Once a week. 5. B: I'd love to. But I'm afraid I can't go with you this weekend. Maybe next week is OK.