问题
选择题
It's the first time that he has been to Australia, ________?[ ]
A. isn't he
B. hasn't he
C. isn't it
D. hasn't it
答案
答案：C
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It's the first time that he has been to Australia, ________?[ ]
A. isn't he
B. hasn't he
C. isn't it
D. hasn't it
答案：C