根据句意选合适的单词填空。

A. island    B. famous    C. Great        D. flag    E. Australia

A: Which country has this ?

B: Is it New Zealand?

A: No, it's  . Do you know this country?

B:  Yes. It's the biggest  in the world.

A: Sydney Opera House(悉尼歌剧院)in the country is very .

B: Yes, it is. Do you want to go there in the future? too.

B:  ! I want to go there, too.