Whose textbook is it? Is it Jenny's?
No, it ________ be Jenny's. Look, Helen's name is on the cover. I think it ________ be Helen's.
( )
A.can't;mustB.mustn't;must
C.can't;mayD.mustn't;may
Whose textbook is it? Is it Jenny's?
No, it ________ be Jenny's. Look, Helen's name is on the cover. I think it ________ be Helen's.
( )
A.can't;mustB.mustn't;must
C.can't;mayD.mustn't;may