问题
选择题
---I think Miss Gao must be in the library. She said she would go there.
---No, she ___________ be there. I have just been there.
A．can’t
B．mustn’t
C．needn’t
D．wouldn’t
答案
答案：A
词义辨析。can’t 不可能；mustn’t不可以；needn’t 不必；wouldn’t不会。句意：我想高老师肯定在图书馆里。她说她会去那。不，她不可能在那。我刚去过那里。所以选A。