–Whose is this purple scarf?
–It _______ be Mary’s. She always wears a purple scarf like this.
A.must | B.can |
C.mustn’t | D.can't |
–Whose is this purple scarf?
–It _______ be Mary’s. She always wears a purple scarf like this.
A.must | B.can |
C.mustn’t | D.can't |