根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
---When is your vocation going to start?
---I'll be leaving on the fifth of August
--- 1 How many weeks are you going to be taking?
---I'm taking two weeks now, but l want to save the other week and take it sometime during winter．
---That sounds good． 2
---To the beach．
---Have you made your hotel reservation yet?
---- 3 I'll be staying with friends．
---You're lucky． 4
---What about you? When are you planning to take your vocation?
---_ 5 I should be thinking about it, I guess．
A．Oh, I don't need to do that． B．No, not really !
C．That's only a few days from now. D．It’s hard to find a hotel in August.
E．That depends. F．I don't know.
G．Where are you going?