— Where is my dictionary?
— You it in the wrong place.
A. must
B. should have put
C. might put
D. might have put
网友回答
A. must
B. should have put
C. might put
(答案→)D. might have put
解析：句意：---我的字典在哪里？---你可能放在一个错误的地方。A. must一定； B. should have done应该做了某事而未做； C. might do对现在的推测，可能要做某事； D. might have done指过去已经做了某事。这里put的动作表示发生在过去，指对过去的动作的推测，应该用情态动词+have done，故选D。