问题
选择题
A: Listen! Is it Linda singing in the next room?
B: No, it __________ be her. She is still in Shanghai.
A.can’t
B.couldn’t
C.may not
D.might not
答案
答案:A
本题考查的是情态动词表示推测,根据后文“She is still in Shanghai.”说明她不可能在家,故选A