问题补充:
She________the film. She knows nothing about it.
A. can’t see
B. can’t have seen
C. must see
D. mustn’t have seen
答案:
A. can’t see
(答案→)B. can’t have seen
C. must see
D. mustn’t have seen
解析:can’t have done,表示对过去发生情况的否定推测,意为“不可能已经……”。
时间:2023-02-14 00:43:26
She________the film. She knows nothing about it.
A. can’t see
B. can’t have seen
C. must see
D. mustn’t have seen
A. can’t see
(答案→)B. can’t have seen
C. must see
D. mustn’t have seen
解析:can’t have done,表示对过去发生情况的否定推测,意为“不可能已经……”。