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
第1题:
A、haven’t
B、hasn’t
C、isn’t
D、aren’t
第2题:
He seldom does his homework at school on weekdays,( )he?
A. doesn't
B. isn't
C. does
D. is
第3题:
第4题:
A.is
B. was not
C.has been
D. hasn’t
第5题: