Where is my pen? I ______ it.
A. might lose
B. would have lost
C. should have lost
D. must have lost
正确答案:D
musthavedone表示对过去情况的肯定判断
Where is my pen? I ______ it.
A. might lose
B. would have lost
C. should have lost
D. must have lost
正确答案:D
musthavedone表示对过去情况的肯定判断