—Whose book is this? —It _____ be Mary’s. Mo Yan is her favorite author. —No, it ____ be hers, she never brings novels to school.
#75008
A
may; mustn’t
B
can; can’t
C
must; can’t
D
must; mustn’t
推荐题目
I have promised that my daughter _______ get a new electronic dictionary on her next birthday.
#63302
A
should
B
must
C
shall
D
would
--- My son is _____ to be seen. Where has he gone? --- I think he _____ in the building.
#62906
A
nowhere; must be hiding
B
nowhere; must be hidden himself
C
anywhere; hides
D
everywhere; hides himself