情景交际 根据对话内容，从所给的七个选项中选出可以填入空白处的最佳选项，使对话内容完整。（有两项为多余选项）
Daming:Hi Lingling!
Lingling:Hi Daming! 1      
Daming:Yes.What's up?
Lingling:Tomorrow is Sally's birthday. 2        You know she's alone in China.
Daming:That's a good idea!You are so kind.
Lingling: 3          
Daming:Yes I'd love to. 4      
Lingling:At five o'clock in the afternoon.
Daming:OK.I'll get to your house on time.
Lingling: 5       
Daming:I will.Bye.
Lingling:Bye.