7补全对话 A: What are you planning to do this winter vacation? B: __1__ A: Where are you traveling? B: To Tianjin, Jinan and Shanghai. A: __2__ B: By bike. A: By bike ? __3__ B: Four weeks. A: __4__ B: We are trying to collect money for the wildlife project. A: What will the money be used for? B: For rescuing the milu deer.__5__ A: That sounds a great idea. Good luck with your trip. B: Thank you. A. We are planning to do some sightseeing. B. We are planning to travel. C. They're disappearing. D. They're growing in large number. E. How long will it take? F. How are you going? G. Why are you making this trip?