–Must I return the story book tomorrow madam? –No you bring it here next Monday.A. mayB

问题补充：

–Must I return the story book tomorrow, madam?

–No, you bring it here next Monday.

A. may

B. must

C. mustn’t

D. maybe

答案：

(答案→)A. may

B. must

C. mustn’t

D. maybe

解析：句意：我必须明天归还故事书吗 夫人？不，你可以下周一带来。May可以；must必须；mustn’t禁止，不允许；maybe或许。所以选A。