It’s the first time that he has been to Australia ,______? A.isn’t he B.has’t he C.isn

It’s the first time that he has been to Australia ,______? A.isn’t he B.has’t he C.isn’t it D.hasn’t it

C

考查反义疑问句。因为这句是要对本句的主语提问,尽管It仅仅是作为逻辑主语出现,还是要对it is 进行提问,故而选isn’t it.
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