Where is my keys?I___________it.A.might lose B.would have lost C._英语解答

Where is my keys?I___________it.
A.might lose B.would have lost C.should have lost D.must have lost

人气：250 ℃　时间：2020-02-01 11:42:26

解答

D
must have done …… 意思是：我一定做了……（表示肯定的推测）
原句：我一定是把它丢了.