——I can’t find my MP4 player. —— You it on the desk. I saw a red one on it.A. might have p

问题补充：

——I can’t find my MP4 player.

—— You it on the desk. I saw a red one on it.

A. might have put

B. can put

C. need have put

D. must put

答案：

(答案→)A. might have put

B. can put

C. need have put

D. must put

解析：考查情态动词。根据句意可知对过去事情的推测，故用情态动词 + have done，might have done可能做，故选A。