Tom you leave all your clothes on the floor like this !A. wouldn’t B. mustn’t C. needn’t

问题补充：

Tom , you leave all your clothes on the floor like this !

A. wouldn’t

B. mustn’t

C. needn’t

D. may not

答案：

A. wouldn’t

(答案→)B. mustn’t

C. needn’t

D. may not

解析：根据句意可知mustn’t意为“千万不要”，表示禁止。