根据视频,选择合适的句子,补全下列对话 Buyer = B; Seller= S S: Good morning, 1 Billy.? B : I just finished jogging and feel hungry now. 2 . S: Ok, wait a moment. Here are your biscuits and orange juice. B: 3 ? S: Eight dollars. B: 4 ? S: I’m sorry. We don’t have any discount today. B: Ok, 5 . S: Thank you! 6 . B: Thank you! Goodbye. Do you have any discount today I’ll take them. Here is ten dollars. What can I do for you? Here is your change. How much are they altogether I’d like to have a box of biscuits and a bottle of orange juice.