题干
— Must I be in hospital for a week, Doctor?
— No, you . You can go back home tomorrow.
A：mustn't
B：needn't
C：must
D：cannot
答案(点此获取答案解析）
B
— Must I be in hospital for a week, Doctor?
— No, you . You can go back home tomorrow.
A：mustn't
B：needn't
C：must
D：cannot
