题干
——May I put my bag here?
——No, you________. You should put it up on the shelf
A：needn't
B：mustn't
C：won't
答案(点此获取答案解析）
B
——May I put my bag here?
——No, you________. You should put it up on the shelf
A：needn't
B：mustn't
C：won't
