Tom you leave all your clothes on the floor like this!A. wouldn’tB. mustn’tC. needn’tD.

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. might not

答案：

A. wouldn’t

(答案→)B. mustn’t

C. needn’t

D. might not

解析：考查情态动词：A. wouldn’t不愿，B. mustn’t禁止，C. needn’t不必，D. might not不可以，句意：汤姆，你不能把衣服象这样扔在地板上。选B。