问题

Whose book is this —It _____ be Mary’s. Mo Yan is her favorite author. —No, it ____ be hers, she never brings novels toschool.
A: may; mustn’t
B:can; can’t
C:must; can’t
D:must; mustn’t
B:can; can’t
C:must; can’t
D:must; mustn’t
正确答案是:
同类题型
Jack and his friends often play sports or watch movies for_______on weekends.
It’s patient ________ our teacher to spend a lot of time ________ things to us patiently.
There is a general but false assumption _____ intelligent people do better in life.
, I got better and returned to work.
he entered the police station, she recognizedthe man who ______ her at once.