补全对话。从方框内所给的选项中选择正确的句子补全以下对话。 A: Hi, Li Ming. What are you going to do after the graduation exams? B: Oh, 1______ I'm too tired and just want to relax myself. A: What about a journey? I've just been to Hainan Island. B: 2______ A: Yes, of course. I saw many different kinds of trees and flowers there. 3______ B: Did you meet any foreign visitors there? A: Yes. And I learnt a lot from them. B: That sounds great. 4______ A: The price of a one-way ticket from Fuzhou to Haikou is 1, 000 yuan. 5______ They can a 60% discount ( 折扣). B: Good. I'd like to go there with my classmates next week. A. The airline isn't busy now. B. I have no idea. C. And I went surfing and boating. D. How much does it cost to fly to Hainan? E. Did you enjoy yourself during the journey?