补全对话。
A: Hello, Li Hua. I returned (回到) to Australia 1_____ the summer holidays.
B: 2_____ did you take your trip, Jane?
A: By plane.
B: 3_____ 4_____ were you in Australia?
A: For ten days. We 5_____ our grandparents 6_____ Sydney.
B: Oh, they must have been happy to see you again.
A: 7_____ did you go during the summer holidays?
B: My parents 8_____ me to a few cities in the south.
A: 9_____ cities did you visit?
B: Guangzhou, Hangzhou, Shanghai, Nanjing and Wuhan.
A: Oh. They are all places of great interest in China. 10_____ you have a good time?
B: Of course.