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
He’s found his pen,______he?A.isn’tB.wasn’tC.doesn’tD.hasn’t
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He’ s never late for work,() he?A. hasn’ tB. isC. hasD. isn’ t
It’S the first time that he has been to Australia，____________?A．isn，t heB．hasn’t heC．isn’t itD．hasn’t it
17．A．amB．isC．areD．isn’t
One pair of scissors ( )enough for the work.A、haven’tB、hasn’tC、isn’tD、aren’t
If he had receive six more votes, he ____the chairman now.A.isB. was notC.has beenD. hasn’t
He seldom does his homework at school on weekdays,( )he?A. doesn'tB. isn'tC. doesD. is
