﹣I saw your mother in the library just now.
﹣It ______ be her.She went to Beijing yesterday.( )
A. |
can't |
B. |
mustn't |
C. |
needn't |
﹣I saw your mother in the library just now.
﹣It ______ be her.She went to Beijing yesterday.( )
A. |
can't |
B. |
mustn't |
C. |
needn't |