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

问题描述:

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

D

.must have + 过去分词 用以对已经发生的事作以肯定推测“想必已经”



如不明白请追问,如果满意请采纳
手机提问者如果满意,请在客户端右上角评价点“满意”即可, 谢谢!
祝学习进步