-----Where is my key? I remember I put it here yesterday.
--------You it in the wrong place.
A. must put
B. should have placed
C. might put
D. might have put
网友回答
A. must put
B. should have placed
C. might put
(答案→)D. might have put
解析：考查情态动词表推测。因为是昨天的事，所以要用情态动词+have done结构。should have placed是应该做而实际上没做；might have put表可能性。句意：我的钥匙在哪里？我记得昨天我放在这了。你可能放在错误的地方了。所以选D。