问题
选择题
---Where is my pen?
--- I _____it.
A.might lose
B.wouldn’t have lost
C.should have lost
D.must have lost
答案
答案:D
本题考查情态动词。从原题中Where is my pen?这一信息句可告诉考生,“笔丢了”,丢的动作是过去发生的。因此用must + have done表示对过去事实的肯定猜测。