问题
选择题
---Look at that girl! Is that Susan?
---No , it _______ be her. She has gone back to her hometown.
A.mustn’t
B.can’t
C.must
D.might
答案
答案:B
题目分析:句意:看那个女孩!那是Susan吗?不,一定不是她。她回自己家乡了。表示否定的猜测要用can’t,故选B。