补全对话。 A: What are you doing for vacation? B: I'm going to San Francisco. A: 1 . Who are you going 2 ? B: I'm going with my family. A: 3 ? B: I'm going on the 11th. A: 4 ? B: I'm staying for a week. A: How are you getting there? B: I'm 5 a plane there. A: I wish you a good trip. B: Thank you.