题干
— Is this e-dictionary Jack's?
— No, it_______ his. His is much newer.
A：can't be
B：mustn't be
C：may be
D：should be
答案(点此获取答案解析）
A
— Is this e-dictionary Jack's?
— No, it_______ his. His is much newer.
A：can't be
B：mustn't be
C：may be
D：should be
