Your sister must be helping the little girl with her homework, _______ ?
#64576
A
needn’t she
B
mustn’t she
C
isn’t she
D
must she
推荐题目
He knows so much about the story. He must have read the book, _______?
#65378
A
mustn’t he
B
doesn’t he
C
hasn’t he
D
didn’t he
To get as much firsthand information as possible, inspectors will hold workshops and distribute questionnaires, ____?
#64627
A
won't they
B
won't it
C
aren't they
D
isn't it
