根据对话内容，从方框中选出五个合适的句子补全对话。
A: Good morning, sir. Can I help you?
B: 1
A: Yes, sir. Which country would you like to visit?
B: 2. I'm too tired and just want to relax.
A: Maybe you can spend your holiday in Switzerland (瑞士). 3
B: But it's too cold. 4
A: What about Australia? There is a lot of sunshine there all the year round.
B: 5 And I can practise my English as well.
A. Where are you going?
B. It's a wonderful place for skiing.
C. I'd like to spend my holiday abroad.
D. I've no idea.
E. Good idea.
F. It doesn't matter.
G. I prefer warm places.